Definify.com

Webster 1913 Edition

Adj.

Resembling, or suitable for, a jig, or lively movement.

Tatler.

Playful; frisky.

[R.]

She is never sad, and yet not

jiggish

Habington.

Adj.

Suitable to a jig.

jiggish ‎(comparative more jiggish, superlative most jiggish)

Resembling, or suitable for, a jig, or lively movement.
The coquette, therefore, I must distinguish by that musical instrument which is commonly known by the name of a Kit, that is more jiggish than the Fiddle itself, and never sounds but to dance. — Tatler.
Playful; frisky.
She is never sad, and yet not jiggish. — Habington.