Knockin on cotton

When you gotta poop right away. Because your poop is touching your cotton under wear.
Hey man; I gotta go take a shit right now! It's knockin on cotton!!
by Kickrocksmf September 02, 2022
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Shit cast

Shit that's dries on your pens after having anal dex.
First time I had anal sex. I got a shit cast.
by Kickrocksmf September 02, 2022
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Sheit cast

Feces that covers and dries on your penis after anal sex
I always get a sheit cast after I have sex with my girlfriend.
by Kickrocksmf October 11, 2021
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