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Origin: your anus

Definition: that annoying last bits of poop left to plug your butthole, left from either poorly wiped butts or premature pooping. No matter how much you wipe it still comes back to haunt you the next day. Results in sticky anuses or an annoying smooth sensation in your asshole, or, in severe cases, shit in your underwear or a plugged rectum.
I got a bad case of shitplugs on Monday after I forgot to thoroughly wipe my ass. The whole day was hell.
by John Doe to the second power October 08, 2014
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