Numbsterbation

The act of masterbating with a numb arm and giving it the other person feeling.

"Hey Joe, I just numbsterbated the other day. It felt like someone else"

Or

"Numbsterbation gives a whole new outlook on masterbating"

by Killborn February 1, 2017

Nusterbation

When you rap your nuts around your buddy's cock and jack them off with your sack.

Note* If your buddy spunks on your sack, it means your totally gay.

I Nusterbated my buddy off and he jizzed all over my wiener. After he licked the jizz off he said, "Wow, Nusterbation is awesome!"

by Harlem1340 October 15, 2009