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