"Went to the corner shop—bought four corners” is on several lists of the funniest jokes of all time. The joke has been credited to British prop comedian Tommy Cooper (1921-1984), but it’s uncertain when he first said it.
Wikipedia: Tommy Cooper
Thomas Frederick “Tommy” Cooper (19 March 1921 – 15 April 1984) was a British prop comedian and magician.
Google Books
The Mammoth Book of Great British Humor
Edited by Michael Powell
Philadelphia, PA: Running Press
2010
Pg. 462:
Went to the corner shop – bought four corners.
Tommy Cooper
The Telegraph (UK)
Tommy Cooper dominates list of best jokes
Heard the one about two aerials meeting on a roof, falling in love, and getting married? The ceremony was rubbish but the reception was brilliant.
By Peter Hutchison9:45PM BST 21 Oct 2010
(...)
48. Went to the corner shop - bought 4 corners.
Twitter
Peter Kerridge
@PeterKerridge_
Just been to the corner shop. Bought four corners.
#shopping
12:30 PM - 23 Oct 2011
Google Books
More One Liners, Jokes and Gags
By Grant Tucker
Lodon: The Robson Press
2013
Pg. ?:
Went to the corner shop – bought four corners.
Google Groups: GayToday
TOP 50 JOKES OF ALL TIME
mokemoke
Apr 23. 2014
(...)
48 Went to the corner shop - bought four corners.