speed freak 

someone hopped up on amphetamines

"What's wrong with that guy? His eyes ar popping out of his skull and he's shaking!"

"He's a speed freak!"

speed freak by Nasty Nate August 22, 2003

speed freak 

(SPEED freak) n. a drug addict who is always high on crystal or methamphetamine syn: tweaker, meth head, sketcher

Dude: Yo, wtf is up with Sue? Is she always spun?
Other Dude: Fuck yeah man, she's a speed freak.

speed freak by Nedd Ludd September 5, 2005

Speed Freak 

An individual who drives any vehicle at excessive speeds.

Little Ricky Racer loves to drive his ricer in the triple-digit domain... he's the epitome of the fast & furious speed freak!

Speed Freak by Gapingredgroovie January 7, 2009