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

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

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

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

Keegan Monster

A term used in in the Northwestern Pennsylvania region that is synonymous for a game of hide-and-seek.

Let's play a game of Keegan Monster! Steve, you go hide, and I will be Keegan Monster and come and find you.

by LeonardDavis November 24, 2020

Park Monster

An individual who regularly uses hallucinogenic drugs in suburban neighborhood parks.

"That Cunningham kid is becoming quite the park monster these days..."

by BekVicious December 18, 2009

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