Master-Blasterbation

When a person masterbates while shitting at the same time. Producing a large log (depending on diet) that is for appearance sake cream covered.

Guy 1: Shit son I just got done Master-Blasterbating, shit got a little freaky and messy!

Guy 2: What the fuck is Master-Blasterbation?

by whitekneegrow April 29, 2012

masterblasterbating

grinding your crotch (not gender specific) on the back of the neck of a person while they're giving you a shoulder ride.

"did you see the look on debby's face when she was playing water chicken? i'm pretty sure she was masterblasterbating".

by Surly Q August 20, 2012