A brother louie is somebody who loves the same type of girl as you do, often meddling with your romantic plans. This is a reference to the Modern Talking song.
Person A: Stacy asked Jim out, but he rejected her just to try getting with my girl that I'm talking too.
Person B: Well, you know him. He loves goth chicks just as much as you do. He's a real Brother Louie.
Person B: Well, you know him. He loves goth chicks just as much as you do. He's a real Brother Louie.
by Jewrachi January 30, 2026
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