A general exclamation denoting surprise, arousal, discontent, or boredom. It's a buffer word. Earliest film reference is Deliverance, starring uber-fit Burt Reynolds.
Damn, you can play that solo. Shitfire!

That guy just cut me off! SHITFIRE!

Shitfire, I'm bored.

Shitfire, you're sexy.
by Lolita & Herb November 9, 2006
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1) A derogatory term used to refer to the Crossfire Injection system, used by General Motors between 1981 and 1984. It was replaced by TPI in 1985. Crossfire Injection had a reputation for being unreliable. Also see Ceasefire.
My shitfire Corvette doesn't run.
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A name given to the Windsor Spitfires hockey team when they are playing like shit (which is most of the time).
"Do you want to watch the Shitfire game?"
by Adam- February 27, 2007
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Spike your girls drinks with strong laxatives. Then provide to have snap sex, she will try to squirm away to get to the toilet but pull her down as she begins to shit on your dick. Once you feel shit on tour dick, grab her by her hair and her feet and bend her in a position so her ass is facing in the direction of something/someone you want to cover in shit. Proceed to violently shake her until she begins to spray shit everywhere.
'Rosie gave me an angry penguin last week, so I got pay back by giving her the shitfire last nigh'
by RosieLovesMeReally July 31, 2016
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