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The act of examining the physical damage to your underwear your recent shart has done mid-day. Effects may worsen if you have done this at a sleepover and left your underwear hanging around on accident, striking fear in your friends and foes' hearts.
Burt: "Woah, look at this sharterror. This thing is f*cking nasty!"
Mike: "That's not a sharterror, that's a mirror."
by Fag Bag Frog July 31, 2016
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