underbun

(Noun) - When a woman's buttocks pleasantly peaks out from the bottom of her respective garments.

"Dude, that mini-skirt on Tami is giving me a great shot of her underbun."

by ActuallyMike December 31, 2015

underbugger

A person or annoyance that gets under ones skin and bugs them.

That squeaky door is a real underbugger. I think that new girl is an underbugger, she wont shut up.

by Christopher Evans August 2, 2008

underbeneath

The practice of sporting your collar tucked in, typically in crime-riddled urban areas. The polar opposite of the collar pop. Made popular by Atlanta rappers "Tha THC Boyz" (They*Hidin*Collaz.)

Damn, son...You wanna get shot?! You better tuck that collar underbeneath!!!

by Loloforeal June 12, 2007

Underbus

Verb used to describe the act of "throwing someone under the bus" or otherwise admitting someone's wrongdoing for them.

My sister was in trouble with my mom, so she underbussed me for something I did last week, and got herself off the hook.
An underbusser is a grown tattletale.

by misshappenstanc October 9, 2017

underguns

The flabby gelatinous skin-mass found on the underside of post menopausal women.

"Hey dawg, did you see the underguns on Angela Landsbury on last night's episode of Murder She Wrote."

by Kyle Wilkinson October 30, 2007

UnderBum

1. When a female wears really short shorts and reveals the underside of her ass to passers by.

2. God's gift to ass men.

3. Also known as ass cleavage.

Adam: holy shit that chicks ass is hanging out! I think my dick just moved.

Craig: That my friend is some grade A UnderBum.

by Hector the molester July 28, 2010

underbutt

The distinct area off the bottom that is at the lower part of the gluteus maximus. Usually the underbutt is highly regarded in terms of attractiveness. Often the underbutt is discovered at the beach when womens bikinis do not cover the whole area of the bottom.

Amy has an excellent underbutt

by bicbiq December 28, 2008