A Cumster is a mix between the word cum and hamster, its basically a hamster someone came on and that is dripping in cum.
by Fettideus June 7, 2024

by 1 Dead Pixel November 22, 2020

by Dj Skittles7 February 25, 2011

by BiggieSqueeze August 31, 2021

Gamer 1: Knocked one, knocked two, team wipe!
Gamer 2: Bro you cumstered that team
Gamer 1: it’s cum or be cumstered!
Gamer 2: Bro you cumstered that team
Gamer 1: it’s cum or be cumstered!
by Girth Quake May 1, 2022
