A Mattress Monster is a fat and or butt ugly broad who likes rough and dirty sex and is likely to be infected with multiple varieties of crotch rot.
Dude 1: "Hey man, that broad's hot. I'd do her so hard her grandmother would cum!"
Dude 2: "Oh man! That's sick, you couldn't pay me to stick my dick in that fucking mattress monster. She looks like the love child of Roseanne Barr and Caitlyn Jenner!
Dude 2: "Oh man! That's sick, you couldn't pay me to stick my dick in that fucking mattress monster. She looks like the love child of Roseanne Barr and Caitlyn Jenner!
by Nubian_Mattress_Monster July 15, 2016

A scary and delusional monster with
red hair who comes to tickle and whisper silly thoughts in your ear
red hair who comes to tickle and whisper silly thoughts in your ear
by dicksleeve February 5, 2023

Jo: hey ash did you see Kennedy drinking a monster energy?
Ash: I know what a loser. *drinks Rockstar like a CHAMP*
Ash: I know what a loser. *drinks Rockstar like a CHAMP*
by Officialopposum August 8, 2021

The fucking thing under your bed
by chimkin nugg January 14, 2021

by Deadskull101 December 5, 2023

by ilovepati September 19, 2021

A real man who grew a beard when 11 years old. The creator of "Gentlemanspil". Big man, Big heart, Big Cock, Big Beard.
by bigdicklover1234567897544 September 10, 2021
