Someone who is funny, chill, or awesome in all aspects.
Someone who has swagg.
"Who's that? "
"Oh, thats Armando Mijares, Hes the The Cat's Pajamas. "
by GertrudeT333 December 4, 2011
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Slang Used in the 20’s, this expression is very similar to "cool."

Also the name of my kitty rescue. Save the homeless kitties. Adopt now!
by cantgoback</3 January 6, 2013
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1920s slang... someone or something wonderful or remarkable.

The other definition says it's from the '50s... In the 50s, there was a strong nostalgic fad of everything 1920s, which is why this term may have been thought of as from the '50s.
by Gregory May February 13, 2012
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Awesome, very good. Apparently coined back in the 1920's, but it is still in use today.
Spike: I don't believe it! After a huge setback, Applejack is back at the front of the pack!

Pinkie Pie: She's the head of the pack, all right. The pick of the litter! The CAT'S PAJAMA'S! Oh, wait! Why would Applejack take some poor kitty's PJ's? That's not very sporting of her.
by Anonymous Brony October 22, 2011
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A good midwestern description of one great gal or guy.
Kinda like when you have an asshole who is bullying someone and instead of leaving them hanging, you answer the bully by saying “no man, you got it all wrong-they are the cat’s pajamas
by Top Dawg Pal November 4, 2020
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Personally i thought this term was popularized by "Cable Guy" (1996) not "school of Rock" the line is used by Jim Carrey
Cable Guy to Lelie in a lisp "He thinks your the cats pajamas"
by Shortbusguy44 April 1, 2007
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A synonym for awesome. I actually coined this phrase in 1968 during a hallucination where i thought i saw a cat wearing pajamas. It was really just a dead bush.
When she took off her pajamas i thought she was the cats pajamas.
by Saammmy February 25, 2008
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