Definitions

1. adjective

having loose or hanging folds of skin, especially on the stomach or abdomen, due to excess fat or lack of muscle tone.

“After gaining 20 pounds, John’s flabby stomach became a concern for his health.”

2. noun

a person who is physically soft and lacking in muscle tone, especially one who is overweight.

“The comedian joked about being a flabby couch potato on the weekends.”