Seba Share definition Flag Meaning someone pittyfull, stupid and not liked. Can be also used as a degenerate word, like asshole. You stupid Seba! Don't mind him. He's just a Seba. I'd have to be Seba to do such a stupid thing. Seba by Grx April 14, 2004 0 0 Get merch Get the Seba mug. Buy Now — $32.95 See more merch