foadb Share definition Flag Acronym for, "Fuck off and die, bitch!" Simply stated, "Foadb!" where the 'b' becomes 'buh'. "Foadb, Nathaniel, you homosexual ass licker! Go toss someone else's salad!" foadb by butch d. butcha June 26, 2007 0 0 Get merch Get the foadb mug. Buy Now — $32.95 See more merch