When you are fucking a chic and she squirts out of her ass a little poo.
"Damn girl! That was a Mississippi firecracker!"
by Challbaby82 June 25, 2016
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A sex position in which an individual fists another, then opens and closes their fist once deep inside.
I gave Kyle the ol' Mississippi Firecracker last week; he hasn't walked straight since!
by TacoRising August 11, 2023
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