brother-in-sin

Term for live-in lover's male sibling.

My brother-in-sin doesn't like tomatoes.

by Johnny J. Rockability January 4, 2011

Brothafucka

A man's closest friend and ally

Damn dude, you get me. You're a great friend, but a better brothafucka? There is none.

by Wardaddy17 February 26, 2018

Brotherguard

A brother of a extremely artrative girl but when someone tries to ask her out he has to have a Redneck wrestling match first.

I tried to ask Allie out but she's got a brotherguard.

by TOMDARAK May 3, 2020

Brother Fucker

a friend who hooks up with your brother

my bestie Bailey is a brother fucker and I actually don't mind it!

by Mad Dog Unleashed March 16, 2023

Bowel Brother

A friend who you just happen to call, or get a call from, while you are on the toilet having a bowel movement. The relationship deepens depending on how many times this happens.

Daniel: "Hey Man, what's up?"
Sean: "Oh nothing, just dropping a deuce."
Daniel: "Are you serious? I'm also dropping a loud mound of brown as we speak!"
Sean: "Jeez, dude. That is the second time that this has happened in a week!"
Daniel: "Yeah, buddy. We're Bowel Brothers!"

by SotoMojo March 2, 2011

browser brother

A companion or friend, typically male, that has agreed in the event of your death to break into your house and delete your internet browser history. You in return, will do the same for them thus avoiding embarrassment when spouses or family members are going through your stuff after the funeral.

Me: Hey man, if I die, will you be my browser brother?
You: I'm honored you asked and yes I will. I've got so much nasty nasty on my computer that I wanna take to the grave.

by ryatellsastory January 3, 2015

taco brother

When two guys date the same girl

"Hey taco brother"

by 5555two April 14, 2017