The outermost layer of excrement (poop). A crust can either be relatively firm, as many people typically encounter, or a variant, depending on one's diet.
Hard crusts generally result is added pain, however leave the least residue. They are also very textured.
Soft crusts feel very smooth upon release, however require a time consuming clean-up. Often times they smell profusely and steam.
I'm on my way to a hot date tonight but forgot to take a shit before I left!
Oh God, Bro, let's hope you don't get a soft crust or you're toast!
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