Green’s Dictionary of Slang

1. a kipper [like his victims, kippers are slit open].

a.1945		L. Payne private coll. n.p.: Kipper Jack the Ripper.
1960		J. Franklyn Dict. of Rhy. Sl.
1971		F.J. Hardy Outcasts of Foolgarah (1975) 34: I had a Jack the Ripper for breakfast and it’s made me raspberry tart.
1976		(ref. to 1940s) R. Barnes Coronation Cups and Jam Jars 163: Whoever gets the water can have a bit of me Jack the Ripper.
1980		(con. 1930s) Barltrop & Wolveridge Muvver Tongue 20: Jack the Rippers : kippers.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.

2. a slipper.

1981

P. Wright Cockney Dialect and Sl. 106: Jack the Ripper ‘slippers’.

3. a stripper.

2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 I’m laughing like a drain as I lie back and watch Dionne doing a jack the ripper routine with her bikini bottom.
2003		B. Dark Dirty Cockney Rhy. Sl.