A person who after having anal sex has a swollen and raised butthole resembling a row of knuckles !
Man , my girlfriend fucked me so hard with a strap on i woke up with knucklebutt !
A cool and soothing ointment used to treat a case of knucklebutt. Helps cool and sooth and bring down the swelling of knucklebutt symptoms.
Boy, my knucklebutt is so bad this morning im going to have run down to the pharmacy and get a case of snapback cream!