Definition of fubsy in US English:

fubsy

adjective

British
informal
  • Fat and squat.

    • ‘A fat, vulgar-looking, fubsy man approached, with a kind of formal degree of intimacy.’
    • ‘The ship was full of fubsy old ladies and gouty old gentlemen.’
    • ‘The fubsy man waddled forward, nearly half the height of the beautiful woman, and merely stared at the stranger who seemed to be seven feet tall.’
    big, burly, heavy, tall, bulky, thickset, heavyset, chunky, strapping, powerfully built, hefty, muscular, muscle-bound, brawny, muscly, husky, solid, powerful, sturdy, solidly built, broad-shouldered, strong, big and strong, rugged, herculean
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Origin

Late 18th century: from dialect fubs ‘small fat person’, perhaps a blend of fat and chub.

Pronunciation

fubsy

/ˈfəbzē/