A term used for a group of girls who are jealous that you're going out with a hot guy that they want to be with. They are loud, intimidating and jealous.
Girl: "Babe, those girls keep giving me dirty looks when we're together."
Boy: "Don't worry, they're just pathetic brash green geese."
Boy: "Don't worry, they're just pathetic brash green geese."
by BrashGreenGeese January 27, 2015
Get the Brash Green Geesemug.