Cumster

When you are a cummer.

Jerry: Hey John, why do you cum a lot?
John: I am a cumster

by 1 Dead Pixel November 22, 2020

Cumster Truck

Fucking stupid truck from Ubisoft's racing game, The Crew.

I drove my cumster truck into an orphanage, fuckers stood no chance.

by BiggieSqueeze August 31, 2021

Cumster

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

Dude i just came on your hamster, i made him a cumster

by Fettideus June 7, 2024

Cumster

A Cumster is a hamster, but someone ejaculated on him, an therefore he became a Cumster.

Dude i just made a cumster out of your hamster, im sorry.

by Herbert Filler May 9, 2024

Cumster

Used in accordance of a close friend being an asshole, to the degree that you'd call them a cum dumpster.

Dude shut the fuck up, your such a cumster.

by Rs1nfinite July 4, 2021