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The harbinger for consumption of alcohol in undergraduate colleges everywhere. The irony is that the original intention was to conceal the content of the cup, as the drinkers are all underage, versus a clear plastic cup that gives away the amber goodness intrinsic of most beers. There's been such widespread integration of the red plastic drinking cup that it's immediately obvious that a red cup signifies consumption of alcoholic beverages.
You: I'm using my red cup as my vessel for ol' Jack D. ... no one will have any idea that I'm drinking alcohol. I'm deceptive and clever.

Me: walks away, chortling in amusement.
by Jeffy Dahmer April 26, 2006
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2
me: look they got red cups

Matt: lets go party!!!
by cuban sexmaster May 03, 2008
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The plastic red cups you usually see at a house party, club, or rave that usually have alcohol and/or energy drinks served in them either mixed or separately.
"Look at all these red cups! Gonna be one helluva night."
by st4rdust January 02, 2012
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A reusable 12 oz party cup featuring grips, fill lines for drinking games, 1 to 8 shots, and a spectrum of colors. Cups of colors besides red are still considered Red Cups.
I'm back, have you seen where I set my black Red Cup?
by boblikesoup August 06, 2009
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a group of individuals (usually in high school, though it can be a lifelong classification) who "party" with plastic red cups (hence the name), but really, no one else cares what they do and they have no social bearing outside their group.
"I heard those kids got drunk this weekend."
"Who cares? They're red cups."
by ForgetThisPlace February 04, 2008
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A form of measurement for alcoholics.
Ronnie:How much hennessy did you drink last night?
Blake: Uh....like 9 red cups i think.
Chad: Impressive.
by Thewalrus767 April 22, 2007
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noun, adjective in singular form, verb in modified forms

Idiocy. Red cups are to drinkers as rolling papers are to stoners. Both may be used in completely unrelated ways, mainly in consumption, but they have become symbols of a certain scene.

Red cuppin is synonymous with drinking, or with partying in general. It is very popular with young groups of people, namely teens. Underage teens and undergraduate-aged adults alike might attend a red cup party.
It is possible that the red cup trend originated from beer pong, which sometimes uses 12 or 16 oz. plastic cups.

(Red cups MAY be used in bars to indicate that the holder is drinking alcohol, but more involved investigation is required by this author to prove it.)

Not every red cup party will have underage drinkers. Believe it or not, there are a few responsible young adults out there who will not allow underage drinking around their parties, red cup or not.
Red cups are a fad whose popularity and appeal to young adults will contribute to the snowballing demise of the human race.

The only thing a red cup means is that I'm thirsty. - Daily Nexus

The Ubiquitous Red Cup is ubiquitous faggotry.

A good way to background check for a history of underage drinking is to search for a red cup picture on personal websites.
by ZillahZero November 30, 2009
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