sketchballing 

verb: the act of being a sketchball, sketchy.

Kristin put down the the Fall Out Boy album and stop sketchballing around.

sketchballing by asiegel July 4, 2008

Sketchballness 

VERB: containing the attributes of being sketchy.

1. A 5 foot 8, 175 pound guy who says he was going to be an outside linebacker for Penn State.

2. A guy who says he's unemployed because he has a lot of money and he wants a girl to like him for who he is.

Sketchballness by Jennie R. July 11, 2005

Sketchballism 

(n.) - The art of moosing on south beach street corners.

(Sketchball # 1) Yo, what'd you guys do last night?
(Sketchball # 2) We were on 13th and alton nigga.
(Sketchball # 1) Practicing sketchballism again?
(Sketchball #2) Fuck yeh, you know it.
(Sketchball # 1) Damn straight.

Sketchballism by straight chillen March 1, 2009