Brother from another mother

When your dad leaves your mam and fucks someone else and your mam finds out so your stepbrother has to come over every once a week

Stepbrother: Oh I love you brother
Other stepbrother: we ain't brothers you stupid fucking asshole of a stepbrother, you are my brother from another mother!

by Jay McEv November 16, 2019

Brother from another Mother

A brother that is only related to you through your father, as in he is your half brother, there fore he is your brother but from another mother.

John and I are brothers, but since he is the son of my step-mom he is my brother from another mother

by Wackamoleman September 18, 2009

Brother from another Mother

When your father has a bastard son from another woman, the son becomes your "Brother from another Mother".

So, my father knocked down your mom, that makes you my "Brother from another Mother"

by Randomsniper May 6, 2022