Brofronomo 

Short for "BROther FROm aNOther MOther".

Jack: "I want to thank you for having my back on that dude."
John: "Of course, man. You're my brofronomo."

Brofronomo by JP in NYC July 1, 2012

Brofronomo 

Brother from another mother

Watching resident evil with my brofronomo

Brofronomo by Uncledadddy666 May 14, 2022

BroFroMo 

A BroFroMo is a brother from another mother. A best friend that is more of a brother than just a friend.

Anthony is Liam’s “BroFroMo”

BroFroMo by Gaelic Faust March 27, 2015

Brofonomo 

Coined by the visionary and front-end designer Dexter Adams, the word brofonomo insinuates a connection with a person is so close that they may as well be your brother, from another mother of course.

I really appreciate you being there for me when my car broke down brofonomo. You've always been like family.

Brofonomo by Phantom5 January 3, 2013