Meaning groovy, cool, awesome, etc.
Joe: "Hey did you hear about that new fruit blender that came out on Sunday?"

Graham: "Yeah man! It's the cat's pyjamas!"
by theboysarebackintown March 19, 2010
Get the cat's pyjamas mug.
This band is awesome. apart from the singer/drummer/guitarist. Although the bassist really keeps the band going.
"Man the cats pyjamas are awesome" - as said by my mum
by Josh ware December 12, 2007
Get the Cats Pyjamas mug.