[f. as prec. + -ING2.] That quirks.
1605. F. Mason, Serm. (1607), 25. Surely quirking braines may haue their conceits.
1679. C. Nesse, Antid. agst. Popery, 65. This quirking fryar.
1821. Clare, Vill. Minstr., II. 23. The quirking rabbit scarcely leaves her hole.
Quirking, ppl. a.2: see QUIRK v.2 (quot. 1746).