Green’s Dictionary of Slang

Jenny Lind n.

[rhy. sl.; ult. the Swedish soprano Jenny Lind (1820–87)]

wind, either in the context of weather or the human stomach; thus Jenny Lindy, windy.

1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.