Rainbro

A straight male who supports his gay friends' lifestyle.

He's not gay, he's just supportive of his friends; a true rainbro.

by test tickle August 20, 2016

rainbro

A gay black man. A gay brother.

Sista 1 says: That man is FINE!
Sista 2: Girl, redirect. He a rainbro.

by LLLLLLLAM January 5, 2010

Rainbros

A group of male friends who share the same passion for catching rainbow trout.

Went out and had an awesome day fishing with my rainbros

by Yawbow fisherman February 12, 2017

Rainbro

One of the guys who is a total bro (usually on a sports team) who takes the "acting gay" thing to far and actually engages in legit homosexual activity with his fellow rainbros.

Dude1: Hey man did you see those football players touchin each other's dicks in the showers?
Dude2: Yea dude they are a bunch of rainbros.

by ErockNRoll October 31, 2009

Rainbro

An extra softboy. Isn’t afraid to cry. Used the 🌈 emoji too often.

Girl: Edgar sends me rainbow emojis all the time.
Guy: oh yea he’s such a rainbro.

by Jim124578 August 19, 2018