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1.
when you sing karoke while a porn movie is playing in the background.
OMG I WENT TO PORNAOKE LAST NIGHT AND I GOT SOME FREE CONDOMS!!!!
by DIRTYGIRL210 August 17, 2010
 
2.
When you watch porn with the volume muted in order to add your own dialogue and sound effects.
Me and this cute girl played Pornaoke last night. I think I'm in love.
by NOSKCAJ April 15, 2012