Butt monster 

An alternate name for a demon (or "pinky demon") in ID Software's original Doom game series.

Blood and viscera flew everywhere when I attacked the group of butt monsters with my chainsaw.

Butt monster by Timotheus325 January 21, 2009

Butt Monster 

An oversized 'butt plug'. See 'Butt Plug'

You, me, the Butt Monster. Saturday night. Be prepared

Butt Monster by MKULTRA August 8, 2013

butt monster 

somone who loves it in the butt.

David: "Chris.......no matter what, you always seem to have sex with that chick in the butt."

Chris: "I know dude, that's why we call her the butt monster!

butt monster by jj887732 November 10, 2006

Butt Monster 

Usually a girl who is obsessed with butt holes. Also could be a girl who farts often and loudly.

That girl Lesley is a butt monster.

Butt Monster by VerySmartAndTruthful March 10, 2019

Butt Cheek Monster Man 

A man with a buttcheek for a head and has no arms

Holy Crap It’s a Butt Cheek Monster Man

Butt Cheek Monster Man by Nijfhdksssjeked November 22, 2018

Watertown Butt Raping Monster 

The Watertown Butt Raping Monster is a mythical creature that resides in the wilderness of Watertown, Wisconsin. If you ever see it, there is no use running. You will die a horrible, painful, death.

“Hey, did you hear about Jim?”
“Yeah I did, the Watertown Butt Raping Monster got him, poor guy.”

Watertown Butt Raping Monster by _#%^*> May 31, 2024

buttmonster 

Someone who is being either annoying, inappropriate, or an asshole.

Suck vage, you're being a buttmonster.

buttmonster by poopcock December 19, 2007