Definitions by that short dude with muscles

walking period 

A girl who seems to be constantly angry at basically everyone as if she were on her period.

Dude1-Damn dude! She's such a walking period, she's always fuckin yelling at everyone! Dude2-I know!

walking period by that short dude with muscles July 5, 2010

J.E.R.K. 

Just Embarrassing Retard Kids! Yeah talkin bout the fags in skinny jeans!

Look at that fuckin J.E.R.K. ! I wouldn't be caught hangin out with those that fag! Bboys are WAY more cooler!

J.E.R.K. by that short dude with muscles July 5, 2010