Abbreviated form of United or Underground Girls Network. The UGN is the reason why when one guy brakes up with
a girl, almost every other girl in the world will know by the next day.
“You went out with him? Wow! quick, tell me the details so I can call Veronica..”
ugn: define #2
u Gay Niggah?
hey bro, i saw you kissing my dad. UGN?.