look up any word, like sparkle pony:
 
1.
Sticking your hard penis inside of a live fish and letting it flop around until ejaculation.Caution-not a good idea to use sharks.
The stripper didn't get me off so I walked to the harbor and jacked some cute ass fish from that fish tank.I then preceded to Nemo the shit out of myself.I Nemoed all night.
by J to the V to the L April 04, 2012
 
2.
To slap someone across the face with a fish.
Brandon just nemoed that fool Gabe.
by Bwillkin June 06, 2007