The act of explaining to your friends a fashion faux pas while repeatably deep-throating a banana covered thickly in peanut butter.
Did you see that Wesley Snipes was wearing a short sleeve shirt with a blazer? Jerry Seinfeld had to go and give him a dirty banana in order to teach him the proper shirt-blazer combination.
by Master Tardbater November 06, 2013
A blended alcoholic beverage comprised of rum, banana puree and ice. The dirty banana was 1st concocted by Carnival Cruise Lines.
David Hasselhof drank so many dirty bananas he made love to Ozzy Osbourn instead Sharon after the taping of America's Got Talent. Of course Ozzy was so krunk he loved it too.
by Rip Fritzer May 25, 2010