A shit mask is a term for comical purposes, stating that your age is higher than your true age, then telling said person that your secret is a shit mask
Person1: Hey, how old are you?
Person2(30): I'm 52
Person1: what's your secret?
Person2: I use a shit mask
Person1: a shit mask?
Person2: yea, it's when you take a shit in your hand, and rub it in your face, sure it's disgusting at first, but you get used to it.
(If this person actually shits in there hand, and rubs it in their face its hilarious, even if they bail and only shit in their hand, still worth it.)(If they do partake in this shit mask, and confront you, tell them "You do look younger, with that shit on you, you look around 2 years old")...

Perfection everytime
by The Real KGB_MAN April 17, 2018
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