Top definition
used to insult someone who is an idiot and brains gone to much because of repeated drug use.
Yo, that jeff piercey is a fuckin mush bag
by Steve Thornhill January 22, 2008
Get the mug
Get a Mush Bag mug for your mama Riley.

Mushbag is a word to describe someone who is too soft, too weak, or cannot take a punch.
my brother is such a Mushbag I'm gonna Kazooki him at 4:20 pm.
by TheBlackMist May 09, 2017
Get the mug
Get a Mushbag mug for your dad Vivek.