Top definition
When you pull your cock out of an ass and you stick it in that persons mouth the liquid that forms from the act of blowing creates a tan substance and the blower makes a muffled sound due to having their mouth full.
My girlfriend came home with muffle butter on her breath...that hoe.

Jacqui tried to talk but she had a mouth full of muffle butter.
by Jaxtastic August 21, 2015
Get the merch
Get the muffle butter neck gaiter and mug.
Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
Get the mug
Get a jabbed mug for your dog Bob.