The Cat's Pajamas? 7 Purrfect Idioms - Dictionary.com
Pretty Tacky: Discovering the cat's meow? [Review for The Cat's Pajamas eyeshadow palette by Laura Lee Los Angeles]
The Britannica Dictionary on Twitter: "Idiom: the cat's pajamas 😺 = used to say that someone or something is very appealing That car is the cat's pajamas. [=I really like that car]