Green’s Dictionary of Slang

tub n.2

also tubbo
[abbr. SE tubby]

a fat person; also as term of address.

[US]J.F. Cooper Pioneers (1827) II 213: What’s that you say, you old, dried corn-stalk! you sapless tub!
[UK]A. Day Mysterious Beggar 254: That cursed wobble-tub wasn’t any old female at all.
Houma Courier (LA) 8 Sept. 8/3: He’s a tub. Just look at the fat, old, gray badger as he waddles towards the ferry.
[US]T.A. Dorgan Indoor Sports 6 June [synd. cartoon] Hey, Tub, lay off that stuff. Let him bid his own hand.
[US]‘Commander’ Clear the Decks! 177: Hello, Tubbo.
[UK]D. Totheroh Burlesque 65: Did you see that big tub Gussie beatin’ it outer here?
[US]J.T. Farrell ‘A Hell of a Good Time’ in Short Stories (1937) 202: Did she turn out to be a tub! I say, did she!
[US]Kerouac letter 21 Feb. in Charters II (1999) 185: I’m getting old, I’m a fat tub now.
[US]B. Hecht Gaily, Gaily 133: The overweight Fay Templeton of Pinafore, singing, ‘I’m called Little Buttercup,’ for which we had a saloon version, ‘I’m called little butter-tub.’.
[UK]F. Pollini Glover 165: ‘I think he’s got the old eye on you —’ She giggled. ‘That little tub!’.
[US]T. Wolfe Bonfire of the Vanities 126: Even that fat court officer over there, that tub Kaminsky.