Green’s Dictionary of Slang

1. the mouth or throat.

1573

T. Tusser Five Hundred Pointes of Good Husbandrie (1878) 169: Let fizgig be taught to shut doore after taile, Too easie the wicket, Will still appease clicket [...] With hir that wil clicket, make daunger to cope, least quickly hir wicket seeme easie to ope.

2. (also wicked door) the vagina.

1654		Mercurious Fumigosus 19-26 July 3: He hit her such a blow with his Trap-stick, that he so stunn'd her, that not being able to hold out any longer, she was forced to render up the Fort he making entry at her wicked Door.
1890–1904		Farmer & Henley Sl. and Its Analogues.