flabby
adjective
[ ˈflabi ]
• (of a part of a person's body) soft, loose, and fleshy.
• "this exercise helps to flatten a flabby stomach"
Similar:
soft,
loose,
flaccid,
unfirm,
yielding,
slack,
lax,
out of tone,
drooping,
droopy,
sagging,
saggy,
pendulous,
limp,
Origin:
late 17th century: alteration of earlier flappy .