From un- + flabby.
unflabby (not comparable)
- Not flabby.
2007 February 4, Andy Christie, “She Handed Me a Cup From the Fountain of Youth”, in New York Times[1]:WHEN I tell her about this, she says, “Oh, don’t be so cynical,” and pokes me in the ribs, and I’m glad she picked the one unflabby stretch of my torso.