Top definition
someone who thinks they're really hardcore.
Adam: Check him out. He's solid.
Dave: Totally, he's as hard as titanium.
Steve: He's a kellow.
by shnix December 18, 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