a dick so rock hard that it can go through any hole, fucking so fast it looks like your dick is a machine with batteries
"Did you see Joe last night?" "See? I was with Joe that night." "His machine dick fucked me so hard that I had to yell stop six times." "Did he stop?" "No, hos machine dick just got tired."
by jony redcorn January 19, 2009
When a male's sexual performance is powerful enough as to initiate a female's menstral cycle days or weeks early.
by UrbanTMD January 05, 2016
When a woman is riding you cowgirl & she changes from a rhythmic up down back forward motion to one that attempts to reach all the angles in the known universe at once
I finally got that chick from my court mandated alcohol therapy class naked last night. Everything was amazing until she gave me the Washing Machine Dick. I'm going to need Alexander to get my dick out of this Gordian Knot!
by Demon of Nature June 11, 2017
by sengooo June 10, 2008
When someone has an enormous penis
by Ya boi penis fingers March 20, 2018
When someone has a big dick
by Ya boi penis fingers March 20, 2018