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.

by hamstar... March 28, 2010

underass

ass that curls under

Did you check out that ladies underass?

by UnDeRcRuSt January 1, 2009

underass

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.

by FIDDLEmeTimbers April 3, 2010

Underass

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

Let me sign your underass.

by me27 June 17, 2007

raving underpass

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.

by WebstersBest June 8, 2016

underasian

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..

by eatsleepobey December 18, 2009

Karns Underpass

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."

by jellybean4 May 13, 2009