A shitstopper is when you thrust your knee with power to hit someone's arsehole. Therefore this is said to stop your shit.
by tony lai August 3, 2007
Get the shitstopper mug.shitstop: noun: something you do before anal sex. as in "hold on i gotta take a shitstop before we go any further"
by Shitstopper June 24, 2005
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