dumb butt

a person with a dumb butt. Usually a big butt. lol.

look at jon... he has such a dumb butt!
your such a dumb butt

by fred December 5, 2003

dumb butt

A parent friendly version of dumb ass that I created. Now everyone is stealing it...

your a dumb butt...

by Cassandra March 27, 2004

dumbutt

A guy (person, as a non-sexist term) who has a suspiciously quiet rear end. Can also be used as an insult, or general slang term for rear end.

Do you have a dumbutt? (as a question)
What a dumbutt! (as an insult)
Man, my dumbutt is killing me! (as a slang)

by Define The Dumbutt May 2, 2006

Dumb Butt

Anyone named Nate, Nathan, Thomas, or Tom. Specifically: Nathan Thomas

“Man, Nate has been SUCH a dumb butt lately.”

by CookingOil November 22, 2021

dumbutt

Someone who is stupid and not doing what they are appose to do

Chase is a dumbutt for drawing on his window while driving.

by Guccimaneclassic June 1, 2023