It's a suggestion not too unlike to "be on your best behavior." In this instance it is a recommendation to keep it clean and not to be vulgar, well too vulgar.
Grandma: "Now listen children. I need you to be on your bath behavior in church today. No one is to spit or call the priest a child-molesting pedo again!"
Louie: "Can I at least spit in the holy water, Grandma?"
Grandma: "If I don't see it happen, then it didn't happen."
Louie: "Can I at least spit in the holy water, Grandma?"
Grandma: "If I don't see it happen, then it didn't happen."
by von groovy August 26, 2024

by Fjxrnsjxnen March 5, 2018

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by AddictedToAnAuditoru March 6, 2025

When you trust the massive fart in the bath tub and instead you shit yourself, causing a bathtub full of shit water.
by Pasty_White_Boy May 31, 2022

Her Period
by RexUUUUUUUUUU June 1, 2021

by R2GG406 September 7, 2021

by loganewport July 23, 2023
