big-boned

adjective2

1. •
   Of a person or animal: large but not obese.

   • […] big-boned womenfolk strode away from their tea-tables to listen to the imperious Doctor. — 1904
2. •
   (humorous, euphemistic) Fat, obese.

   • Coffins for the Big-Boned. As the media never tires of telling us, America has become a junk-food nation with the fattest population on the planet. — 2009