A fork of Rural Dictionary
the female puts either her right/left shoulder under the man's junk. Then they wrap their hand around the penis and basically "fist pump it like a champ". Optional: you can start a dice roll on it and then work your way up to fist.
Penis pumping like a champ is like fist pumping on the Jersey Shore except in the sexual mode.
To fist pump emphatically with your guido buddies in the club. Phrase coined by Vinny on Jersey Shore
Narrator: FIST PUMPING ALL SUMMER LONG. Vinny: Fist pumping like champs!