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Having a stiff cock and your pants pulled down, then having a ping pong match in order to prove that you have the superior family gems. Done usually when you are beyond wasted and/or high at a party to entertain those around you for petty compliments and rewards.
Dude #1: "Dude, did you see Zach's Long Dong Ping Pong game last night at Austin's?"

Dude #2: "Yeah dude! It was hella sick! Sucked that his cum got everywhere though man."

Dude #1: "Dude we should totally have a Long Dong Ping Pong game tonight!"

Dude #2: "Hell fucken yeah man! Let's do it!"

*the two men were then kicked outa class and just kept on fucking around the next couple years*
by Long Dong Dacklin January 16, 2017
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