The practice of dropping the right movie quote to perfectly describe a real world scenario has been around for decades. The response for those of us with the biggest library of classic "muzings" at their disposal can range from a nod of respect to outright applause in the right social situation. We've asked some of the best in the business to contribute to The Muzing Dictionary, to create the world's deepest well of classic movie lines, with the definitions of their proper use. Feel free to borrow liberally from this site when needed, and to add any you feel are missing.
Looks like I picked the wrong week to quit sniffing glue.

Movie: Airplane!
Definition: A phrase used to forewarn coworkers, friends, etc. that you may be incapable of dealing with any issues. Also useful for explaining mistakes that you may have already made.
Submitted By: Julie of Gilbert, AZ

I noticed your grips were worn. I should’ve mentioned it before.

Movie: Caddyshack
Definition: Best used as a pathetic excuse for any situation, particularly good when half-heartedly trying to bail out a co-worker in hot water
Submitted By: Bill Steward of Jacksonville, FL

This is Crazy, This is Crazy, This is Crazy

Movie: Vacation
Definition: You’re about to do something you know you shouldn’t. You are aware that there will be direct and severe consequences shortly following this endeavor, but your conscience has been temporarily disabled, often times as a result of an attraction to a member of the opposite sex. You throw caution to the [...]

Lets go kill some birds… Im psyched

Movie: Wedding Crashers
Definition: There’s an activity or chore that is on the horizon and there’s no way you can get out of it. Whether it be shopping for new carpet with your wife, attending your spouse’s company picnic, cleaning the gutters or perhaps going to church, this line helps express your frustration without [...]

It’s all ball bearings nowadays

Movie: Fletch
Definition: You’re spewing 4 and 5 syllable words, one after another in an attempt to convince someone that you are educated on a certain subject when in fact you know about as much on the topic at hand as you do about synchronous and hierarchical seismic patterns in the earths southern hemisphere. [...]

I’m Your Huckleberry

Movie: Tombstone
Definition: When there is a dirty job to be done and no one else within earshot seems willing, step up to the plate while throwing this line out. For example, when you and your buddies are gathered around a football game on TV and one of them asks “can one of you guys [...]

Funny Like I’m A Clown? I Amuse You?

Movie: Goodfellas
Definition: To be used when you sense people are laughing AT you…rather than WITH you.

Consiglieri

Movie: The Godfather
Definition: An Italian word for advisor or counselor. Consiglieri’s can be general practitioners, like Tom Hagen, or highly specialized, like Genco, who was the ‘war-time’ consiglieri for Don Vito Corleone. In addition, if you have a friend who’s talented with the ladies, you can formally declare or informally consider [...]

Big Gulps Huh?

Movie: Dumb and Dumber
Definition: For some reason, you feel the need to strike up a conversation with a perfect stranger, however, immediately after your opening salvo you realize that person wants no part of a dialog with you. This phrase is typically used when a pick-up line has no effect on a [...]

Who’s gonna do it? You? You, Lieutenant Weinberg

Movie: A Few Good Men
Definition: Spoken with absolute disgust and disdain, this is the penultimate way to tell a friend or co-worker they are not up to the task.
Submitted By: Fletch A. Fletch of Needham, MA

You shut your mouth when you’re talking to me!

Movie: Wedding Crashers
Definition: Multi-use and multi-sentiment retort that can be used to deflect the conversation from either a) an argument that is potentially being provoked, b) an idea being suggested that absolutely repulses, or c) a proposition that is less than appealing. This reply will always stop ‘em in their tracks.
Submitted by Tara Smith, Scottsdale, [...]

McClusky

Movie: The Godfather
Definition: Reference to any big, hard-headed tough-guy who tends first to think with his fists or express himself using brawn over brain…usually, but not always, of Irish descent.

Tastes so good when it hits your lips…

Movie: Old School
Definition: It’s delicious. (Often refers to a food or beverage that tastes good, but is not good for you.) In short, a reference to a naughty delight.
Submitted By: Kim Kosanovich

Fat, drunk and stupid is no way to go thru life, son.

Movie: Animal House
Definition: Drop this line at a keg party when a pudgy individual goes over the top.
Submitted By: Ian Hoffman of Tampa, FL

What is that…velvet?

Movie: Coming to America
Definition: When a friend steps out donning some dreadful ensemble for the night (that in their eyes really does seem to impress), drop this in a hopeless effort trying to convey it looks good.
Submitted By: Russ Thompson of Philadelphia, PA

Got Room for One More if You Still Wanna Go to Aspen

Movie: Dumb and Dumber
Definition: Use whenever you’re trying to squeeze one more person in an already packed vehicle, i.e. 5 people in a cab, or 3 people in a 2 seater convertible.
Submitted by: MJSims of Scottsdale, AZ

It’s only a flesh wound!

Movie: Monty Python and the Holy Grail
Definition: Said by or to someone who has just sustained an injury, ranging from a paper cut to a decapitation. Usually said facetiously to downplay the seriousness of an actual injury incurred. Said metaphorically as a result of a minor setback, it means, “Come on, [...]

It Looks Good on YOU though.

Movie: Caddyshack
Definition: You say this to a person that just didnt look in the mirror today
Submitted By: David Bussin of New York, NY

My advice to you is to start drinking heavily.

Movie: Animal House
Definition: After convincing your friend to join you on a double date and repeatedly assuring him that the “friend” will peak his interest, drop this after initial introductions when your wingman is clearly furious with you, and let’s just say not enthused about the potential outcome of the evening.
Submitted By: Mike [...]

I could have had class. I could have been a contender.

Movie: On The Waterfront
Definition: Best used when any politician or public figure’s indiscretions gets the best of him… think Gov. Mark Sanford, David Letterman, John Edwards, etc.
Submitted By: Derek Olson of Albany, NY

Every man dies, not every man truly lives

Movie: Braveheart
Definition: Use this line when facing adversity; to motivate yourself or team to strive to be the best. Separating the followers from the leaders.
Submitted By: Vince Gerage of Chicago, IL

Milk was a bad choice.

Movie: Anchorman
Definition: Drop this as you step outside into the mid-summer heat or are struggling mightily in any athletic event.
Submitted By: Johnny Rodriguez of Mesa, AZ

Leave the gun, take the cannolli

Movie: The Godfather
Definition: No matter how difficult the job you must never forget dessert.
Submitted By: Betsy Chalmers, Framingham, MA

Gladiator, I salute you!

Movie: Gladiator
Definition: Drop this line anytime you have friends who are about to brave a dangerous situation, whether it is a fight in a bar, or in deep water with the misses.
Submitted By: Terrell Brown of Scottsdale, AZ

Welcome to the party, pal!

Movie: Die Hard
Definition: Everything is going wrong in a: (work situation, relationship, sporting event, Etc.) and someone who should have noticed the crap hitting the fan, finally realizes the problem.

Is this corn hand shucked?

Movie: What About Bob?
Definition: The ultimate compliment of any food or meal.
Submitted By: Josh of Middlebury, VT

Our pet’s heads are falling off!!

Movie: Dumb and Dumber
Definition: Use this line anytime you think that nothing worse could happen, that you are at the end of your rope and cant take one last thing…
Submitted By: Terrell Brown of Scottsdale, AZ

Show Me The Money!

Movie: Jerry McGuire
Definition: How bad do you want it? Whatever you’re proposing isn’t enough.

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