kneedropper 

Kneedropper: trades oral sex for ?? -Everything.

Me: She's a KNEEDROPPER!
You: Huh?
Me: ya know.. She drops on her knees in the back room to get what she is trying to get.
You: Oooo!

kneedropper by Myhaloson September 20, 2018

knee dropper

A girl that loves giving head.

I woke up happy as a pig in shit this morning because I went to bed with a knee dropper.

knee dropper by BONE May 3, 2003