FULL UP

Some archaic words for gluttons:

bellygod / cormorant / glopper / gorbelly / grangousier / greedigut / gundygut / guttler / lurcher / mouncher / panguts / tenterbelly / yaffler

(from The Insomniac's Dictionary' 1986)

The Opies (in the lustrous 'Lore and Language of Schoolchildren') add these which were used in mid-last-century Britain:

gutsy / dustbin / hollow legs / hog / face-packer / glutton / gobble-guts / Gobble Gobble Gertie / gorgey / greedy glutton / greedy-devil / greedy grabs / greedy-hog / greedy-muffin / greedy-pig / guts / guts-ache / gutsy sod / gutter / guzzler / guzzle-guts / hungry guts / Hungry Horace / piggy / pig-hog / piganog / pig-bin / rumble tummy...

...and add these nicknames for the overweight:

ton of flesh / bacon bonce / slobber chops / back end of a bus / barrage balloon / barrel-belly / barrow-guts / big-belly-bump / Billy Bunter the Second / blood tub / bouncer / Buster / chubby / chunky / Crystal Jellybottom / diddle diddle dumpling / Falstaff / fat belly / fat duck / Fatty Harbuckle / flab / football / glutton / grub-tub / guts / hammy bones / jelly-belly / jelly-wobble / Jumbo / lumpy / lump of lardy / piggy / pillar-box / podge / porker / porridge / pud / plum-pudding / pudding-pie / rubber-guts / sausage / slob / slug / steam-roller / swell-hide / tank / human tank / ten-ton / tubs / tubby / Two-Ton Tessy / Bessy Bunter / Tubbelina / Fatima

..to which I can add, lard-arse, gannet, porker, plumper, locust, trencherman...and more to come no doubt.

Source: as listed