1 definition by jajajajajajajajaja ja

A gro: A non-sexual figure that becomes one of the guys without acting like a guy, or being a tomboy in any kind. She understands them, therefore she gets along with them.
Girl: Look at that booty!! It's glorious!!!
Boy: Damn, you're such a gro!!
by jajajajajajajajaja ja April 10, 2014
Get the Gro mug.