Obs. rare. [Of obscure origin; combines the symbolic elements, initially of yerk, finally of blurt, flirt, spirt, squirt.] YERK sb. 1. Yertpoint, name of some game (cf. blow-point s.v. BLOW- 3).
1509. Hawes, Past. Pleas., XXXI. (1555), T ij. At euery yerte she made godfrey to skyppe.
1659. Lady Alimony, II. v. All his games Are yert-point, ninepins, job-nut, or span-counter.