The combination of the word shit and checkmate, chess reference version of checkmate, yet you didn't check shit, anything, miss calculated or didn't gain any advantage, and acceptance of defeat. Examples: Dido, squat, fail.
"I know they'll work out and click."
"No; dude, they broke up 4 nights ago."

"Shitmate."
"Yeah dude, tell me about it."
by Lucio Serrano August 19, 2017
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Being at a point of inebriation so great that mundane objects become fascinating.
Javi: Why is James staring at that coat hanger?

Andrea: Because he's shitmatized right now.
by drea867 January 1, 2011
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Shitmatism - The force or power that controls one's good-shit and bad-shit life experiences... Usually controlled by the tongue and associated more so with bad-shit experiences. Related to Shit-Magnet
My day has been continually going from bad to worse...! I feel like a Shit-Magnet...! My Shitmatism must be out of wack...?
by Chrisso. Australia August 4, 2009
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1. Someone you maintain a friendship with whoes deficiencies boost your self-esteem.

2. The member of the group always cracked on and ridiculed.
Homie 1- Yo son your boy is morbidly obese.
Homie 2- No shit hes just a shitmate.
Homie 1- You got issues G.
by Mo Green April 2, 2008
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Sorry shitmate, but I had burritos last night.
by Ftbstrd January 14, 2016
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2 or more individuals who shit at the same time everyday.
John: Hey, did you know Jessica is my shitmate?
Mike: Woah! that’s cool man.
by IHaveAShitmate November 1, 2022
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Shitmatism - Ability to cause a trance like state when talking absolute bullshit to someone...!
"You should have heard that guy over there...! He was so convincing with his verbal bullshit, the woman he is talking to is in a complete state of Shitmatism...!
by Chrisso.Australia August 5, 2009
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