underass

Refers to the very short skirts that girls wear, which shows the lower section of their buttocks.

Dude, look at that girls underass! I'm sure I can see gash.

underass by hamstar... March 28, 2010

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ass that curls under

underass by UnDeRcRuSt January 1, 2009

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Hind quarters visible due to a female wearing only a shirt, with no undergarments.

Did you see the underass in Lindsay's profile picture?

Underass is far better than underboob in my honest opinion.

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Underass

Under the ass. When referring to the end of the year pants that girls get.

Let me sign your underass.

Underass by me27 June 17, 2007

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The act of dancing underneath a concrete structure, to any given beat. Usual participants are gothic warriors and princesses.

Buddy and Joe were raving underpass I-95 over the weekend.

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An smoking hot underage asian girl, jailbait so irresistible that it is all but guaranteed to land you in the slammer for some 'hard' time.

Bob - Did you hear about that party tonight at doug's place?

Rick - Yeah, there are supposed to be a bunch of underasians there..

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a one lane underpass, or tunnel, for cars underneath a railroad track that is constantly tagged and retagged with bad graffiti by Karns High students

"Dude, I was tagging the Karns underpass last night and the police came before I could finish."

"Lame."

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