Top definition
A person who has a tendency to put them selves in hazardous situations to achieve an adrenaline rush.
Bro did you just see Dustin jump that berm into that truck, he is a sketchaholic!
by Kc Lee Hepburn May 24, 2009
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