Ahh, what passed for humour 60 years ago. I found this video (right) today on YouTube: a Popeye short called "You're a Sap, Mr. Jap." It is so, so, so, so, so wrong.
There are so many painful moments in this cartoon, I can't decide which is the worst. Obviously the bucktoothed portrayal of the Japanese ranks right up there. Along with the representation of Japanese music as nothing more than clanging pots and a car horn, and Popeye referring to them as "Jap-pansies." It's that sort of thing that's so terrible it's funny in that "Great googly-moogly I should not be laughing at this but I am and I hope no one can hear me because it's so very, very wrong" way.
For me, the most cringeworthy moment comes at the very beginning of the short, when a chorus sings:
"You're a sap, Mr. Jap;
You make a Yankee cranky.
You're a sap, Mr. Jap;
Uncle Sam is gonna spank ye.
Wait and see, before we're done,
The A,B,C and D* will sink your rising sun."
Truly one of the finer moments in American cinema.
*Short for "America, Britain, China and Dutch" -- the powers the songwriters felt the Japanese should be concerned about. Personally, it strikes me as shoehorned to fit the rhyme scheme. The Dutch?