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A dim rim is when you take a fat shit. Just a mean nasty raunchy shit that is sure to leave your asshole absolutely blackened with shit. Then someone eats your ass before you wipe. They eat your dimmed rim. They give you a dim rim.
Dude that chick gave me a dim rim.

I took a hefty shit and that girl over there ate my ass immediately after. That dim rim action was clutch.
by June 05, 2018
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