“What do you call a cat that eats lemons?”/“A sourpuss.”

A popular lemon riddle is:
 
Q: What do you call a cat that eats lemons?
A: A sourpuss.
 
The cat joke has been cited in print since at least 1943.
 
       
1 May 1943, Vernon (TX) Daily Record, “Pepsi and Pete—The Pepsi-Cola Cops” (comic strip advertisement), pg. 10, col. 2:
DID YOU SAY THE SARGE HAS A CAT THAT EATS LEMONS?
NO, I SAID HE HAS A SOUR PUSS, AND WANT TO SEE US RIGHT AWAY
 
9 May 1943, Hartford (CT) Courant, “Pepsi and Pete—The Pepsi-Cola Cops” (comic strip advertisement), pg. E8:
DID YOU SAY THE SARGE HAS A CAT THAT EATS LEMONS?
NO, I SAID HE HAS A SOUR PUSS, AND WANT TO SEE US RIGHT AWAY
   
1 June 1965, Austin (TX) Statesman, “Fun Time—The Riddle Box” by A. Leokum, pg. 24, col. 5:
What do you call a cat that eats lemons?
Sourpuss.
       
7 July 1969, Lexington (KY) Herald, “Lemon Aid” by Joe Holdren, pg. 21, col. 1 ad:
Pity the poor Lemon.
 
It has to survive jokes like “Show me a cat that eats lemons and I’ll show you a sour puss!”
(Shopper’s Choice Super Markets, Inc.—ed.)
   
Google Books
The Silly Riddle Book
By R. W. Alley
Racine, WI: Merrigold Press
1981
Pg. ?:
QUESTION: What do you call a cat that eats lemons?
ANSWER: A sour puss.
   
Google Books
Father Christmas “It’s a bloomin’ joke” Book
BY Raymond Briggs
London, UK: Puffin
1994
Pg. 90:
What do you call a cat that eats lemons?
Sourpuss.
 
6 January 1999, Los Angeles (CA) Times, “The Kids’ Reading Room; Pint-Sized Punch Lines,” pg. D9, col. 4:
What do you call a cat that likes lemons? A sourpuss! (Justine Coleman, 8, Venice, Westminster Magnet School)
   
Google Books
The Awesome Book of Cat Humor
By Bob Phillips
Eugene, OR: Harvest House Publishers
2009
Pg. 27:
Q: What do you call a cat who eats lemons?
A: A sour-puss!
 
Google Books
Animal Jokes to Tickle Your Funny Bone
By Michele C. Hollow
Berkeley Heights, NJ: Enslow Publishers, Inc.
2011
Pg. 4:
What do you call a 5 cat who eats lemons?
A sourpuss!
 
16 October 2017, The Daily Mirror (London, UK), “Greg’s giggle” by Fiona Parker, pg. 41:
Q: WHAT do you call a cat who eats lemons?
A: A sourpuss!
 
Twitter
Lucky Score
@LuckyScoreNet
Q: What do
you call a cat who eats lemons? -
A: A sourpuss!
#Joke from #CatJokes in #Jokes, #Humor and #Satire
10:41 PM - 19 Oct 2017