When a male moons someone and their balls are showing.
The boys on the bus mooned a group of girls on the sidewalk, with their fly's eyes prssed up against the window.

A couple walking along the beach were treated to fly's eyes, courtesy of a dirty old man up on the hill.
by Bloopy April 10, 2005
Top Definition
the act of pushing one's ball bag through the buttoned hole at the front of mens boxer shorts
try it at home in front of mirror / girlfriend's pairents
by shitty Nicko November 17, 2004
when your getting head and you rest your balls on the bridge of the girls nose.
Teddy-"yeah suger pie that feels great, now lets see some flys eyes"

Janis-"oh yeah Teddy bear put them on my nose"
by johnny jerkmeoff April 14, 2006
Male equivalent of a camel toe, so named because of the resemblance to the eyes of a fly.
I can't wear Speedos because I get a horrendous case of fly's eyes.
by jseale1978 October 28, 2003
The act of placing your balls onto someones eye socket
sullers passed out so matt fly's eyes'd him
by hahaha :) September 22, 2006
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