Swelled with air, or any soft matter; tumid with a soft substance; bloated; fleshy; as, a puffy tumor.
source: Webster 1913
adjective satellite
being puffed out; used of hair style or clothing
A bouffant skirt.
source: WordNet 3.0
abnormally distended especially by fluids or gas
Hungry children with bloated stomachs. He had a grossly distended stomach. Eyes with puffed (or puffy) lids. Swollen hands. Tumescent tissue. Puffy tumid flesh.