Fingering someone in the ass, only using poo as lube.
Jayson: I am going to stick a finger up your ass and only use poo lube.
by BUTT0N August 6, 2018
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The residual lube left on an unwiped anus directly after a bowl movement.
Last night my wife took a dump, and I fucked her in the ass using her own poo lube.
by wwjsd December 7, 2013
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