Top definition
1. An idiot, douche bag, dumbass, or moron. Literally, a person who's is so stupid it's like their cranium is filled with jizz and no brain.

(Variant of numskull)
Dude: You brought me a Pepsi when I specifically asked for a Diet Pepsi, you cumskull!
by Mr. Filbert October 24, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug