Top definition
Brothers who have the same father, but different mothers. Can also be used loosely even if people are genetically unrelated, similar to "brother from another mother" but without sounding like a moron.
What's up my brother from another mother?

Dude you're white and from Mission Viejo, CA. You sound like a moron. Call me your Nut Brother instead.
by Bee-rant September 17, 2010
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