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An evening when the man performs oral sex upon his female partner
Alice was already in bed when Dave got home, ready to give him his fish supper
by Bobtbuilder November 13, 2003
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2
A euphemism for high class sexual intercourse with a young, hot woman (6 out of 10 or higher class)

The term is frequently used in the Greenwich, Eltham, Kidbrooke, Shooters Hill, Blackheath and New Cross areas of South-East London by a family called the Ciprianis.
Bobby; I pulled a high class slim beauty last night, went back to her flat and she gave me fish supper!
Sink; All the best to ya Bobby!
Bobby; (Haddock) Supper!
by Sink and Bobby October 21, 2009
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3
sex, especially as a conjugal right.
Alec told June to get upstairs straight away. After all that hard work gardening he fancied a fish supper.
by Dunky Oggins November 01, 2003
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