A fishing lure, preferably a fake worm, inside a lubricated condom.
Mary: Josie, I just used a Dirty Nemo on myself last night!
Josie: Hook me up girl, I wanna try.
by Tard Wrangler69 November 8, 2016
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The act of getting a blowjob while the person giving it is making a fish face while at a public beach.
Have you guys tried the Dirty Nemo? It is better then a normal blowjob
by Autism anus August 9, 2019
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When you finish your shit and don't wipe, fill up the bathtub, put clown fish in there, and after that you stick only your ass in the bathtub so that they clean the shit for you.
Jamal: Yo Tyrone I just took the fattest shit and did a dirty Nemo that shit felt bussin on God on God

Tyrone: SHEEEEEEEESH
by Whentheimpostorissus:) November 4, 2021
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