To snort a small amount of cocaine from the creases of your knuckle. Usually the most discreet way to snort in public (club, party, street) so that no one will suspect anything.
Ben: Did you see that chick knuckle bump?
Tice: I sure did.
15๐ 21๐
When you fist a loose bitch with a yeast infection.
Wallace- Dude, you took her home last night? She's a no-go with that YI.
Jones- Nah man. I was knuckle bumping the oatmeal all night.
Wallace- You're fucking sick.
Fist fighting. Professional, Amateur or Street.
When two dudes get to jawing in the Club, then go outside...'bout to be some "bumping knuckles!"
14๐ 1๐
When two bros go to knuckle bump each other and one has knowingly left ejaculation on his fist.
Ben: Hey brotha, whatโs up? *offers knuckle forth for knuckle bump*
Chad: no man, Iโm good, looks you got that mayonnaise knuckle bump thereโฆ