Webster's Revised Unabridged Dictionary · 1913

Flaggy

Flaggy , adjective

1.
Weak; flexible; limber.
Flaggy wings. — Spenser
2.
Tasteless; insipid; as, a flaggy apple. [Obsolete] — Bacon

Flaggy , adjective

[From 5th Flag.]

Abounding with the plant called flag; as, a flaggy marsh.