Definitions by Nick Bowling Green

knuckle bump 

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.

knuckle bump by Nick Bowling Green May 17, 2006