The Collaborative International Dictionary
Firk \Firk\, v. t. [Cf. OE. ferken to proceed, hasten, AS. fercian to bring, assist; perh. akin to faran to go, E. fare.] To beat; to strike; to chastise. [Obs.]
I'll fer him, and firk him, and ferret him.
--Shak.
Firk \Firk\, v. i. 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 straight firks mad.B.Jonson.
Firk \Firk\, n.
A freak; trick; quirk. [Obs.]
--Ford.
Wiktionary
Etymology 1 n. A stroke; lash. vb. 1 (context transitive English) To carry away or about; carry; move. 2 (context transitive English) To drive away. 3 (context obsolete English) To have sexual intercourse, to copulate. 4 (context transitive English) To rouse; raise up. 5 (context intransitive English) To move quickly; go off or fly out suddenly; turn out. Etymology 2
n. (context UK dialectal English) A freak; trick; quirk.
Usage examples of "firk".
That is his fire-drake, His Lungs, his Zephyrus, he that puffs his coals, Till he firk nature up, in her own centre.
When he took his turn at the firking, he laid on so hard that the youngster, beside himself with pain, squeaked, "Ouch!