When someone is always on your mind and its cannot be stopped/cured. Constant thought about that person means they gave you a Brain STD!
Girl 1:Damn Ricky is so hot! I can't get him out of my mind!
Girl 2: Look's like you got a Ricky Brain STD!
Girl 2: Look's like you got a Ricky Brain STD!
by footballfreak9 August 22, 2011
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