Rainbowchest

Someone who denies they are gay yet wears rainbows in the fashion of a gay person such as armbands, wristbands, or t shirts.

Jerry: Dude check out my garth brooks T-Shirt!

Bob: Dude your gay.

Jerry: Am not! (stomping foot like a little pouting bitch)

Bob: Then your a Rainbowchest!

Jerry: Then that is the case.