flab

1. N-UNCOUNT If you say that someone has flab, you mean they have loose flesh on their body because they are rather fat, especially when you are being critical of them. (尤指挑剔某人时)赘肉[表不满]

Don had a hefty roll of flab overhanging his waistband. 唐的裤腰带上挂着很多赘肉。