Similar to situation when shit hits the fan however structurally different. The outcome is not a shower of shit affecting everything nearby as in the first case, but a suddenly relaxed bottleneck behind a large amount of pressurised shit. This does not affect as many objects nearby but few heavily. (exchange "shit" with "issue" or "opportunity")
A: Where's John? Long time no see. B: He's gone. Shit got fired up.
by tomfx March 24, 2015
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The act of doing cocaine
“Should we do some cocaine?”

Okay! Let’s fire it up!”
by Fireitupbelly March 21, 2018
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Guy1: Brendon said he will fight you after school.
Guy2: Well then, fire it up bitch!
by PanicerAF January 18, 2017
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I'm about to fire you up!
by dunkman16 November 3, 2008
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1. to excel, to kick-ass, to dominate
2. to humiliate opponent in sports-related activity
3. phrase popularized in the mid-1990's in Chicago, IL
When he defeated his nemesis in Madden Football for the tenth time in a row, his friends remarked, "Fire it up, Sporto!"
by Jonathan Tuttle November 17, 2009
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