Crab Brother 

A person who joined the Marching Band in the same year as you did.

Jeremy, and I were Freshmen in the Band in the same year at Southern University. We've went through tough times of hard training to be upper classmen the following year in the band, and we're treated as we grew up in the same household, so that makes him my Crab Brother.

Crab Brother by Quincin Virtual Reality Willia June 15, 2016

Younger Brother 

The most annoying creature that ever existed also known as an ass hole

I hate my younger brother

Younger Brother by Catsup4525 January 14, 2021

Pelvic brother

Being related to somebody because you've both had sex with the same person. Related through the pelvic bone.

Timothy: I had sex with Jordan last night!

Kieron: Cool, I had sex with her last week, that makes us pelvic brothers!

Pelvic brother by HunStarRaw March 18, 2011

pledge brother 

Strictly speaking, a pledge brother is any person that is going through the same pledgeship as yours within a certain fraternity. And, they are in the same graduating class. They are the ones you bond the most with, and they are usually the ones that got your back for the rest of your life. Shit goes down when someone tries to mess with any of them. Their relationship is similar to that of a blood brother.

Joe: Honestly, if anyone happens to mess with my pledge brothers, they're fucked.

Mike: Yeah, same here. We're brothers in the bond.

pledge brother by Fraternity brother November 16, 2011

Native brother 

Used by the native peoples on the reserve. They refer to everyone as their brothers becasue they belive that everyone is a brother from another mother. Usually used on freindly terms.

"You aint no Brother"
"Fuck you brohter"
"Hey there brother hows it going"
"Were all brothers"

Native brother by Tcoll April 5, 2005

Amen brother 

To agree strongly, show excitment.

Thor: Hey man Christman nubs are annoying

Myles: Haha, amen brother!

Amen brother by Myles Niemeyer January 14, 2008

good brother 

A good brother is a brother that brings milk to his sister.

Bring me milk if you’re a good brother my sister said.

good brother by Valchy November 4, 2020