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.
by Nick Bowling Green April 25, 2006
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.
Jones- Nah man. I was knuckle bumping the oatmeal all night.
Wallace- You're fucking sick.
by Kiril Ishikawa May 23, 2015
by talk2me-JCH2 March 05, 2021
Ben: Hey brotha, what’s up? *offers knuckle forth for knuckle bump*
Chad: no man, I’m good, looks you got that mayonnaise knuckle bump there…
Chad: no man, I’m good, looks you got that mayonnaise knuckle bump there…
by JessaCali September 10, 2023