singleton, n.¹ — Green’s Dictionary of Slang

singleton n.¹

[Singleton, a Dublin corkscrew maker, who lived ‘in a place called Hell… his screws are famous for their excellent temper’ (Grose, 1785)]

a corkscrew.

1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1997		Share Slanguage.