Green’s Dictionary of Slang

wrinkle v.

[wrinkle n. (2)]

to lie; also as n., a habitual liar.

[Aus]Vaux Vocab. of the Flash Lang. in McLachlan (1964) 279: wrinkle to lie, or utter a falsehood. [Ibid.] 280: wrinkler a person prone to lying; such a character is called also a gully, which is probably an abbreviation of Gulliver, and from hence, to gully signifies to lie, or deal in the marvellous.