Top Definition
The half brother of your half brother or half sister. NO, not YOU or YOUR brother!
MIKE: Hey Honey, this is my bridge brother Alex.

HONEY: Your "bridge brother"? What, do you play bridge together?

MIKE: No. You remember my half brother, Steve?

HONEY: Yes.

MIKE: Well, Alex is Steve's half brother on his Mom's side of the family. So Alex and I are not "blood" brothers, so to speak, we're just related by the marriage and divorce and remarriage of our parents.
by Shelly Bozdog June 30, 2006

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