a grown up emo. also known as ... a complete fag.
1: "Hey man, have you seen Barry?"
2: "Yeah man, he's gone completely gromo."
1: "Fag."
by tonytonyson December 10, 2006
Gross Homosexual
Not meant to be rude to Gays / Lesbians.
By: Jeremy Love
See that guy over there, he's a gromo.
by lissahhhhh December 30, 2008
Short for gross motherfucker.
That mofo is gromo.
by Do Be Dude April 14, 2004
A not so flattering, relatively gross homosexual. An alternative for being negative towards homesexuals.
A stinky, nappy heading lesbian = gromo.

A nasty, disgusting gay man = gromo.

A nice, clean homosexual = homosexual.
by Caristiona December 30, 2008

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