The Collaborative International Dictionary of English v.0.48:
Fantigue \Fan*tigue"\, Fantique \Fan*tique"\, n. [Written also
fanteague, fanteeg, etc.] [Cf. Fantod.]
State of worry or excitment; fidget; ill humor. [Prov. Eng.]
--Dickens.
[Webster 1913 Suppl.]