Knuckle Pump
When u and a friend make fists and touch um together, kinda like a handshake but more modern
Dude1: Did u get that new video game dude?!
Dude2: nah man, im saving up to take my GF to the movies
Dude1: wise man! *knuckle pump*
Dude2: nah man, im saving up to take my GF to the movies
Dude1: wise man! *knuckle pump*
Pumping Knuckles
When one commits the act of fappage on one's own beastly piece.
Dude: Hey, you wanna hang out?
Dude (other): Nah, I'm pumping knuckles.
Dude (other): Nah, I'm pumping knuckles.