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1. dumfuck
an extremely dumb peice of shit that can't even tell the dumb and fuck are two seperate words. he even spells dumb wrong
your a dumfuck
by slopass Mar 18, 2003 share this add a video
2. Dumfuck
Anybody that can't spell Dumbfuck
If you spell dumbfuck as dumfuck, you are a dumbfuck.
by Chode Nov 12, 2004 share this add a video
3. dumfuck
A person who does not use proper grammar and spelling to add a comment to the urban dictionary.
Slopass is a dumfuck for using the term "Your a dumfuck" rather than "You're a dumfuck".
by deet Mar 19, 2004 share this add a video