by sosthenisRR November 18, 2017
Short for 'flea penis'. It is mostly used when referring to Francoeur, a giant 7ft. flea from the movie 'A Monster in Paris'. A fleenis is typically 10 inches long.
by Prussian Coke December 29, 2017
Fleenie, Flesh-Beanie. Another word for a bald person, as it looks like they are wearing a beanie made out of flesh.
by Fleenie hater June 27, 2010