The couch is too deep, and he is growing heavier; he will be Buddha-like in girth at some point soon.
First came Kevin Smith, who was not allowed to board a Southwest Airlines flight because of his girth.
Mark Spiegler waddles, shifting his girth from one foot to the other, swaying slightly side to side.
c.1300, "belt around a horse's body," from Old Norse gjorð "girdle, belt, hoop," from Proto-Germanic *gertu- (cf Gothic gairda "girdle"), from the same source as gird. Sense of "measurement around an object" first recorded 1640s.