by Mixers December 26, 2020

The act of sprinkling sand, cat litter, or actual quick-dry concrete mix into a female's anus to increase friction, then ejaculating, creating concrete. A professional version would involve allowing said cat litter, sand, or concrete mix to enter your urethra, ejaculating dried concrete.
by GangsterSandwich September 14, 2016

When a man pisses and cums in another’s ass, then proceeds to mix it together by helicoptering their penis inside of the asshole
“I heard Andrew really felt the wrath of Sams concrete mixer last night. He’s still shitting out piss and cum!”
by thommylikessam September 15, 2021

Become a mixer Little mix is the best
by oxlittlemixerxo January 12, 2021

by WDDWM December 26, 2019

by noy thettis February 15, 2014

by Willy McD November 27, 2020
