Top definition
One who acts with increasing stupidity and doesn't realise it.

One who is so incredibly stupid and needs more than a clue to get back to reality.
Ben is a total claff. Someone needs to check him. check
by FactRzerO July 03, 2003
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
2
Art is walking down the street playing his ring tones for no reason, he's a grade A claff !!
by A.B housen July 14, 2006
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