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The act of running rampid around a small four walled room while useing two hands to caresses ones lower region to point of eruption. You can rate your preformance by the ammount of white fluids that cover the wall.
Rooms such as parents room, bedroom, dinningroom, class room, principles office and jail cell are perfect examples of areas that the derk jerk would be most effective.
Bryce: Hey, what did you do last night?
Aaron: I did the Derk Jerk in my mothers room!
Bryce: Awsome im going to do that tonight in my sisters room
*High five*

by Houdini Master April 30, 2008
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