GIBWUCBO Share definition Flag (pronounced: gib-wuk-bo)an evil way you saying the expression "you too" Person 1: "Your so lame!" Person 2: "Gibwucbo!!!" Person 1 : -.- GIBWUCBO by beeteeee January 12, 2011 0 0 Get merch Get the GIBWUCBO mug. Buy Now — $32.95 See more merch
