Underbags

Underpants or undergarments.

John thought the date was going rather well....until he caught a glimpse of her enormous underbags.

Underbags by Miss. Underbags August 5, 2009

Underboss 

Member of a mafia family, typically directly underneath the Don. Handles the mundane details of running a crime family.

The underboss put the capo in charge of making sure the hit was carried out.

Underboss by Roberto Manchez December 29, 2004

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

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.

raving underpass by WebstersBest June 8, 2016

underpaste

The uncomfortable feeling when the skin of the male genitalia is stuck together in the underwear.

A girl in my class saw me as I tried to fix my underpaste.

underpaste by LoLo1234 August 1, 2008

Undernauseated 

The state of being far below the mental breaking point how many stomach cringes a consciousness can endure before all weakness, disguised as pain has completely evacuated that body.

The undernauseated talent enjoyed victory.

Undernauseated by Ranchgirls November 28, 2020

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