Underpants Monster

The excuse you should ALWAYS give to your girlfriend when she bitches to you about grabbing/slapping her ass.

Zach: (slowly reaches for a game of grab-ass)

Kim: What the fuck, Zach! We're in public!

Zach: Wha...WHAT!?!? That wasn't me! That was The Underpants Monster!!!!

Kim: Oh, I'm sorry for yelling.

Zach: Damn right you are! (slaps Kim's ass)

by AKKKHMED May 30, 2009

Munchie Monster

Any person that has large weight gains while having the munchies. They usually go straight for the fat foods such as Twinkies and cup cakes, once they find your food your out of luck. They also tend to leave some pleasant surprises in your toilet, so it's best to let them outside once their done eating.

"Max just ate 24 boxes of lucky charms, boy is he one big Munchie Monster"

by No§ March 23, 2010

Lean Monster

A monster that's made of Purple Drank (a.k.a. Lean)

Lean Monster: I LOOOOOVE LEAN
Person: And why he ourple 😂

by Lean Elizabeth II March 7, 2022

Monster Dancing

Slang for grinding, often used at frat parties. See: grinding

Fratboy A: Hey, did you see Jewfro Monster Dancing with that blonde chick?

by Robot Jefferson September 29, 2010

Millimeter Monster

A very small penis

Everyone has a millimeter monster until puberty.

I heard that guy got dumped because of his millimeter monster.

by JAC7272 April 28, 2014

block monster

City version of chuck Norris.

Someone who succeeds in everything they do.

"Hey dude, Austin is a block monster! "

by arod23 June 11, 2016

Snack Monster

A person who eats snacks more than actual meals

I had no time to eat lunch, so I had a bag of chips and 2 granola bars today like a true snack monster

by Whaler Jake November 13, 2014