Green’s Dictionary of Slang

the vagina.

1672		J. Phillips Maronides (1678) V 30: He was wrapt in Mothers smicket.
1690		Pagan Prince 39: I have heard, that if a man comes into the world in his Mothers Smicket, he shall be the most fortunate man in the world.
c.1698		‘Tom Tinker’ in Farmer Merry Songs and Ballads (1897) I 171: He calls me his Jewel, his delicate Duck, / And then he will take up my Smicket to --- / This way, that way, which way you will.
1709		‘Would You Have a Young Virgin’ in Farmer Merry Songs and Ballads (1897) I 208: And Teeze her, and please her, / And touch but her Smicket, and all’s your own.
1797		Bridges Burlesque Homer (4th edn) I 337: His dear Nelly, who had scarce / An undarn’d smicket to her a—.
1833		‘The Fancy’ in Swell!!! or, Slap-Up Chaunter 7: Chase her, and praise her – if fair or brown; / Sooth her, and smooth her, / And teaze her, and please her, / And touch but her smicket – and all’s your own.