Tubbish

a. TUB sb. + -ISH¹.] Somewhat tubby; resembling a tub.

1565.  Golding, Ovid’s Met., IV. (1593), 91. Of tubbish timbrels … a hoarse and jarring sound.

1785.  Wolcott (P. Pindar), Odes Roy. Acad., iv. 11. Men whose heads are rather tubbish, Or, drum-like, better form’d for sound than sense.

1836–7.  Dickens, Sk. Boz, Charac., vii. He was a short, round, large-faced, tubbish sort of man.