Firk

v. t. [Cf. O. Eng. ferke, to proceed, to hasten, A-S. fercian, to sustain, assist, help, support, allied to faran, to go, proceed, fare.] To beat; to strike; to chastise. [Obs.] Hudibras.

To fly out; to turn out; to go off. [Obs.] A wench is a rare bait, with which a man No sooner's taken but he firks mad. B. Jonson.

n. A freak; trick; quirk. [Obs.] Ford.