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."
John: "Of course, man. You're my brofronomo."
by JP in NYC July 01, 2012

Watching resident evil with my brofronomo
by Uncledadddy666 May 14, 2022
