Green’s Dictionary of Slang

nook and cranny n.

[rhy. sl. ]

1. the buttocks [fanny n.1 (3)].

[UK]R. Barker Fletcher’s Book of Rhy. Sl. 43: I fell flat on me nook and cranny.

2. sexual intercourse [fanny n.1 (1)].

[Scot]I. Welsh Decent Ride 7: If yir eftir any nook n cranny ower here, jist geez a shout.