Obs. or dial. Also 8– jirt. = JERK sb.1

1

1568.  Jacob & Esau, I. i. Come on, ye must haue three iertes for the nonce.

2

1607.  Markham, Caval., II. (1617), 40. Giue him a Ierte or two vpon the nether part of his buttocks.

3

1611.  Cotgr., Attainte, a gentle nip, quip, or iert.

4

1785.  Burns, 2nd Ep. to Lapraik, ix. She’s gien me monie a jirt an’ fleg.

5