Someone, usually a straight female, who is obsessed with finding a gay bestie or being accepted with the LGBT community in general.
Q: Why is Becki always all over Jes? Doesn't she know he's gay?
A:Obviously. The girl's a huge rainbow chaser.
Or:
A: Duh, the girl's straight chasing rainbows.
A:Obviously. The girl's a huge rainbow chaser.
Or:
A: Duh, the girl's straight chasing rainbows.
by TheBaxterFactor July 14, 2014