blubber

nouns

an insulating layer of fat under the skin of whales and other large marine mammals; used as a source of oil
is a type of (narrower)
any oil obtained from animal substances
excess bodily weight
"she disliked fatness in herself as well as in others"
is derived from

verbs

cry or whine with snuffling
"Stop snivelling--you got yourself into this mess!"
is derived from
utter while crying