The largest piece of fecal matter in a single bowel movement. Can arrive alone, or among a smaller, heralding convoy of toadies, known as Turdies.
I thought I'd finished dumping a load; little did I know the Mother Shit had yet to arrive.
by thedpster May 05, 2012
(Vulgar) Another word for motherfuck used as intesifier use
This is so bad mothershit asshole guy
by Kage Maro 2008 April 07, 2015
catchphrase of Logan Wood. can take the place of asshole, bastard, bitch, cunt, fuck, motherfucker, shit, son of a bitch, etc.
Logan Wood: "We have an accounting test? Mothershit!"
by superbadchicksgivinmemclovin January 23, 2011
a mother load of shit
he was hours on the toilet due to a mother shit
by ranga May 23, 2006