Definitions by Kyle Ernesti

muffed up 

muffed up means fucked up. use "muff" to replace fuck. very fun to use so you dont get in trouble by the parentals or offend the old folks. use different variations of muff too-muffer, muffing, etc.

That's muffed up dude!
Go muff yourself.

muffed up by Kyle Ernesti June 18, 2006