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When you have doggy-style sex with a girl so hard that she throws up in a wide-spread fashion for a few seconds as you pull on one of her limbs.
Guy 1: "Hey bro, so how'd it go last night?"

Guy 2: "Dude, she was a little tensed up and freaked out."

Guy 1: "Dude, did she hurl on your floor?"

Guy 2: "Yeah man, she went all Michigan Flamethrower"
by FreshCut February 29, 2012
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