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the act of masturbating and puking while looking at GAY MALE PORN
malfunction stop doing the prono
by kuperaye August 02, 2004
A very very hot girl, or Internet porn.
ex1 dude that chick is prono!!

ex2 what are you downloading, prono?
by mikeybear September 26, 2006
A way of saying "porno" to get around word filters on many chat sites.
Tie: Dude, I am looking at * right now
Down: What did you say? You got censored.
Tie: *! PRONO!!
by Rokara January 30, 2011
stuff that heather was looking at while on a music trip in virginia beach. also see "adult desires."
heather! you and that prono has got to stop!
by Nicole May 27, 2003