Derp

A person who may catch you while you're doing something that you're not supposed to be doing.
by MSTJ September 27, 2010
mugGet the Derpmug.

Mathijsrock

A tiny rock that you will not see until the moment you fall over it, predominantly on a skateboard
Fuck that hurt! All these Mathijsrocks on the halfpipe are fucking annoying!
by MSTJ September 27, 2010
mugGet the Mathijsrockmug.

Cheese

Oh shit its the police! CHEESE!
by MSTJ September 27, 2010
mugGet the Cheesemug.

Derp

Someone working at the supermarket who pushes around cart's.
Hey, there's a derp pushing around carts all day!
by MSTJ September 27, 2010
mugGet the Derpmug.