Monster mash

Unprotected sex on Halloween necessitating an abortion, or a "graveyard smash"

Bro #1: Did you see that girl in the slutty giraffe costume?

Bro #2: Yeah, we monster mashed!

Bro #1: Nice! Better graveyard smash soon.

Bro #2: Yeah. We have an appointment after the new year.

Bro #1: Dude, that's too long. Haven't you heard about the heartbeat bill? You'd better get in there soon and get that baby!

by Justin1234321 August 23, 2019

monster mash

when you poo in the shower and then mash it down the drain with your toes

Every day after P.E. Jill did the monster mash and then wore sandals to math.

by Brown Eyes January 19, 2005

A monster mash

A bowl of cereal with the combination of "Boo Berry", "Count Chocula", and "Franken-berry" in it.

I bought the variety pack for the Halloween themed cereals. I'm going to have myself a monster mash!

by BuGgY_BiTz October 12, 2019

monster mashed

When ur absolutely fucked on bevs

“Yo John u good” nah Mate I’m monster mashed”

by Yehyehnah December 6, 2020

monster mash

when you are trying to have sex with a girl but you don;t have a full erection, so you grab and squeeze the base of your dick and try to 'mash' it into the girl in hopes of stuffing it in and getting an erection

beau was having trouble dr'ing this girl because he was too drunk, so he used the monster mash method.

by Duke Lacrosse December 26, 2008

Monster mashing

When a large and/or ugly person walks lazily or has some sort of cane in a certain direction.

Hey, do you see that guy monster mashing his way over here?

by Pbrizzle198Nizzle September 13, 2011

monster mash

When you shit in someones ear and then fuck the shit.

Dude, I went to a gay bar and I think I was monster mashed.

by Fernando November 16, 2004