coax, v. — Green’s Dictionary of Slang

coax v.

[orig. use of SE coax, to fool, to take in; which is apparently linked to 16C cokes, a simpleton, a gullible fool]

to pull down the soiled or holed part of one’s stocking so that it is hidden by the heel of one’s shoe.

1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.