trigry-mate, n. — Green’s Dictionary of Slang

trigry-mate n.

[SE trig, to walk briskly + SE mate; they are both people with whom one walks around]

1. an idle woman companion.

c.1698		B.E. Dict. Canting Crew n.p.: Trigry-mate an idle She-Companion.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.

2. an intimate friend.

1890–1904