underburp 

A burp that came from within the soul with a undertone harmony

“Wow that was a nice underburp”

underburp by Jimbob5677 February 20, 2024

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.

underbugger by Christopher Evans August 2, 2008

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.

Underbus by misshappenstanc October 9, 2017

underbreastimate 

to underestimate the size and/or weight of ones breasts.

be careful not to underbreastimate a women's tits; they are known to suffocate small animals and children!

underbreastimate by Matt Huff October 6, 2011

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.

UnderBum by Hector the molester July 28, 2010

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."

underbun by ActuallyMike December 31, 2015

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

underbutt by bicbiq December 28, 2008