Detective: What the fuck happened here.
Officer #1: Menstrual mashing sir...menstrual mashing.
Detective: My god.
Officer #1: Menstrual mashing sir...menstrual mashing.
Detective: My god.
by Logan Howell, Sam Bilyeu May 09, 2008
Konnor: You go to that Girl Talk concert? That was off the hook.
Josh: Yah man those Mash Ups were insane!
Josh: Yah man those Mash Ups were insane!
by KonArtist38 January 01, 2011
A euphemism for masturbation
by Crystalgeek March 21, 2013
The act of mashing your hands against a computer keyboard when you are so angry or confused you can't type anything coherent.
1. "I made Johnny so angry last night he computer mashed me."
"Like how?"
"I said 'Hey' and he was all 'SJHDFHJSjdfjh'"
"Like how?"
"I said 'Hey' and he was all 'SJHDFHJSjdfjh'"
by Springloaded April 08, 2006
If them superstitious motherfuckers want to have that kind of party, I'm going to put my dick in the mashed potatoes.
by Matt January 26, 2004
A technique used in male masturbation. Instead of stroking the shaft up and down, the motion is circular. Resembling the mashing of potatoes.
Steve: Hey man, what did you end up doing last night?
Tom: I got bored and tried The Mashed Potato.
Steve: What!? What was it like?
Tom: It was..... incredible.
Tom: I got bored and tried The Mashed Potato.
Steve: What!? What was it like?
Tom: It was..... incredible.
by Father of God June 28, 2010
When your penis becomes soft in New Jersey when you are having sex with a brodette at a disgusting beach house in the bathroom on top of your cousins puke from an hour earlier.
I had so many Jagr Bombs in Belmar, that I attempted to give Vanessa the peyton manning but I went limp and tried to stuff it into her taco with a spatula just like mashed potatoes.
by Sportnick9 February 22, 2008