Wiktionary
j. arthur rank
n. (context Cockney rhyming slang English) A wank.
Wikipedia
J. Arthur Rank
Joseph Arthur Rank, 1st Baron Rank (22 December 1888 – 29 March 1972) was a British industrialist who was head and founder of the Rank Organisation.
Usage examples of "j. arthur rank".
There was a heavy fence, and a gate, with a big J. Arthur Rank kind of gong set up so he'd have to get off the bike and go past a concrete barrier to ring it.