knocking bones

When two incredibly skinny people have sex.

Chris and Stacy have been knocking bones for a while and Stacy finally got pregnant.

by MooseyFate100 December 30, 2011

Knock & Bone

a traditional way to have sexual intercourse with a near by neighbor. Directions on knock and bone are very simple.

step 1) Knock
step 2) Bone

the knock and bone is not to be confused with the knock and bail, or knock and bait.

Friend 1: How on earth did you get that hot blonde girl Jennifer to sleep with you?
Friend 2: It was easy. I just walked up to her house and did a good ol' knock & bone
Friend 3: Classy!

by Gavin Nonurbid April 23, 2015

Bone Knocking

The act of two men knocking together each others erect genitalia for pleasure.

Mike: Whatcha doing this weekend?
Boneknocker: I think I'm going to spend my saturdaying bone knocking with Jim.
Mike: What the hell is bone knocking?

by Rob Boss July 3, 2015