The act of clearing your mind before doing something kickass.
Qui-Gon Jinn took a massive Mind Shit between the laser walls while fighting Darth Maul in Star Wars: Episode 1 The Phantom Menace.
by Fishlipz July 11, 2009
1 more definition
An action of saying something that is so stupid that you have temporarily broken someone's brain.
What that troll just said was mindshitting.
by Bela Talbot February 18, 2011