Top Definition
1. Someone who is fat, dumb, and not decapitated.

2. Adj.: Fat, dumb, and not decapitated.

3. Your mom.

4. To shave your mom.
1. Dude! check out that fat dumbhead over there. They should call him Fat Tony or Robert.

2. Your mom is extremely fat dumbhead. She needs liposuction.

3. Ask Fat Dumbhead if she'll buy us ice cream on the way home from school.

4. Are the rumors that someone besides your dad fat dumbheads every night at midnight true?
by Bertoff May 05, 2005

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