1. A homosexual bro.
2. The 2007 album by Brodeohead. A Broternative rockband from Brofordshire, England.
1. I'm going to hang out with my Rainbro, but I mean, as friends, ya know?
2. Favorite song of In Rainbros? Got to be Weird Fishes/Broppegi.
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
When you live in Seattle and your bro also lives in Seattle 😂
Alec, Ali, Ben, Anton, Omar, Lakshay, Jaisav are all rainbros in Seattle
A homosexual male, who still maintains all the qualities of true bro's. The best example is Neil Patrick Harris.
Friend 1- Wait, so you're saying Esteban played basketball today? I thought he was gay.
Friend 2- He is. He's just an ultimate rainbro.
A group of bro's all wearing different color polo shirts.
Brian and all his friends came over last night in different colored polo's. I could practically taste the rainbro.
The gay guy in the group of straight guys.
Dude 1: Is Patrick your black friend?
Dude 2: No, he's just our rainbro.
A Rainbow brother: Someone (male) who's been met at a Rainbow gathering and feels very close.
So where did you guys meet? => He's my rainbro!