Butt Knob 

A girl from from the south central valley in California with a perfect booty.

Kristy is a Butt Knob!

Butt Knob by J Solo May 2, 2007

buttknob 

originated by the greatest pitcher of all time, Dylan Vytlacil..its the now you must turn on in order to use your butt in any way.

I have to fart, i must turn my buttknob first

buttknob by Sidric The Entertainer February 9, 2005

Buttknob 

Buttknob-someone that acts like a hemeroid,pain in the ass

Quit acting like a buttknob

Buttknob by Owegopaddy1 September 10, 2018