A person who has an abundance of homosexual friends. A rainbow catcher may be confused with a fag hag, but the rainbow catcher accepts and understands that their gay friends will not convert to the heterosexual side. Also, this term is not derogatory.
I really dislike the term "fag hag", yes I have many gay friends, but I am a rainbow catcher.
Similar to fag hag but nicer. Basically a girl who has an abundance of gay friends and doesnt like being refered to as the hag.
Do u know that girl who works at the bookstore? Yeah she's a rainbow catcher.