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1 definition by Thomas the Bombest

 
1.
1920s Lingo describing someone (something) who is great, incredible or special. Usually indicating stylishness or innovation. Pajamas were a relatively new fashion in the 1920s. The term "cat" was beginning to be used as a term to describe the out going and unconventional jazz-age flappers.
That girl wearing those Paris Hilton sunglasses must think she's the cats pajamas.
Those crazy rinestone studded platinum teeth are the cat's pajamas!
by Thomas the Bombest May 10, 2007