Undergarment Overflow

When large amounts of ones underwear is visibly sticking out of their pants.

Girl: I see your boxers...something I shouldn't see
Guy: Sorry, that was undergarment overflow

by larlarlarlarlar June 20, 2011

Undergasm

When you understand something and turns you on to the max and you cum

Dude I get it now, I think I had an undergasm

by Ahshdbfhd November 24, 2020

UndertakerFreak1127

To be a jerk who feels likes his opinion is in reality fact; as a result, you will end your friendships if they do not share your "facts.

Allan ended his friendship with William after he found out he didn't share his "facts." What an UndertakerFreak1127

by BuffaloBillsFan2005 November 4, 2019

underoath

n.
1. A band that owns your face. No, your whole body.

"I love Underoath because they're way amazing."

by lortotheen December 23, 2003

Underrated

A website, film, television show, book, etc that is so good that the public barely notices how good the product really is.

The film Children of Men is so good it's just too bad nobody is talking about it which makes it underrated.

by Mr. Jeff August 13, 2008

Captain Underpants

Just the coolest, most badass, thug, gangster, lord god commander who shed his clothing to battle his foes with fury of a thousand suns.

Man #1: Hey you are looking like a captain underpants kind of brother today
Badass Man: I know, I'm totally not a noob.

by TheKewlestKatAround July 30, 2015

underage user alert

To be yelled at anyone on forums who says something immature or stupid, suggesting a preteen poster.

Iamover18 : Liek Teletubbies r teh Rox
Sinner: UNDERAGE USER ALERT!!!!!!!!

by Kissingtheshadows March 25, 2005