Top Definition
The act of holding a cardboard shark fin between your butt cheeks and being crowd surfed.
1- We're playing beer pong at my place tonight, what are you doing?
2- We're Party Sharking at my house.
1- Oh, screw beer pong then, I'll be over at 10 with my cardboard shark fin decorated with assorted arts and crafts.
by JDigglesby September 28, 2009

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