blubber definition
blubber(noun) an insulating layer of fat under the skin of whales and other large marine mammals; used as a source of oil. fatness, fat, blubber, avoirdupois(verb) excess bodily weight. she disliked fatness in herself as well as in others. snivel, sniffle, blubber, blub, snuffle(verb) cry or whine with snuffling.