1 definition by Brothers Keeper ninja

One who protects his Brother from the world, and other people.

The Big Brother or the family.

The one who people question when his brother(s) mess up.
Guy: Where is that little bro of yours.

Big Bro: Why

Guy: He needs to explain why he was short on his money.

Big Bro: Ill answer for him.

Guy: Who he hell are you?

Big Bro: My Brothers Keeper.
by Brothers Keeper ninja January 30, 2010
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