1. a drunkard.
|Sl. and Its Analogues.|
|Bulletin (Sydney) 11 Aug. 14/1: You were such a noble doer, such a persevering sink – / Fancy you to be a quitter when the world is full of drink.|
|DSUE (1984) 1072/2: mid-C.19–20.|
2. (UK Und.) a supposedly legitimate business that used to facilitate money-laundering.
|Viva La Madness 32: What you need is a ‘sink’, meaning quite literally somewhere you can sink your schwarzgeld into the system.|
the vagina .
|‘The Sink-Hole’ in New Cockalorum Songster in Spedding & Watt (eds) II 11: He opened her dirty sink-hole wide, / And scraped the bottom as well as each side; / And when he had rummaged each corner about, / With his tools in his hand he quite tired crep [sic] out.|