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The act of jerking and fist pumping at the same time, usually in response to the occurrence of something awesome happening.

Jerking- Style of dance

Fist Pump- Think Jersey Shore and Guido dancing
(Call of Duty)
Haroon: "OH MY GOD I DIED"
Jeff: "Bitch I just got a headshot!!"

*Jeff jerk pumps to celebrate*
by Prodigious Asian February 06, 2010
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