Decatur Crabs Share definition Flag Decatur crabs is a slang-label to avoid a white female from Decatur Ohio who has slept with a black male. “She’s got them Decatur crabs bro, steer clear.” Decatur Crabs by BlunderBuck July 8, 2025 0 0 Get merch Get the Decatur Crabs mug. Buy Now — $32.95 See more merch