Derogatory term for Canadians. Originated in Port Huron, Michigan (circa 1980). Refers to an incident where a Canadian man was struck by a stray basketball at a local high school game resulting in his head getting turned to mush.
David: “Did you hear about that mush head at the game last night?”

Jeff: “Yeah, those Canadians sure have soft noggins
by Dos Snakes October 29, 2021
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Definition of a Mush-Head =

1.) A pill-popping freeloader.
2.) A drug addict who is too far gone to be helped
3.) Someone who takes so many drugs their brain has turned to mush!
4.) One who breaks everything and almost burns down houses in a drugged out coma, just to wake up on her/his laptop with salad on her/his face and have no clue as to what’s going on!
5.) One who stutters worse than Porky Pig
6.) A genuinely trashy person with no self worth that volunteers for scientific studies just to try out new pills!
Take a look at Tina, she's all Mushed out again!

The Mush-Head came to the pool and face planted into those metal chairs.

Mush-Head Language - "wha wha wha wha wha whattt tttt tttiii tiiime ssss it?!@#"
by Had 2 Live W/ a Mush September 30, 2009
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1.someone who uses drugs for pleasure!
Or a drug addict whoo is too far gone to be helped!
2. someone who takes so many drugs thier brain has turned to mush!
look at this guy he's been pillin! fuckin mush head!
by mike January 5, 2004
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1. Traditionally defined as (a) person who uses hallucinogenic (psilocybe) mushrooms very frequently, including to work, school, social gatherings etc.

2. A person who takes 'magic' mushrooms so much that their personality is noticeably changed because of it.
"Have you talked to Jimmy in a while."
"Nah, hes a big philosophical douche since he became a Mush-Head."
by MacDick January 24, 2010
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(n) name for an adolescent of either sex who is being annoying, bratty, or idiotic.
The movie was fine except for the little mush heads in the front row making fart noises
by TC November 22, 2005
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