a word meaning "mother fucker" but the kid version. Just say it really fast. FuDmuKKeR
1.That fud mukker stole my pencil!

1. "Hey do u know sally?"
2. "Yea! She's a fud mukker! She taddled on me!"

(notice they are little kid quotes)
by ATaylorN August 26, 2008
Get the Fud Mukker mug.