Answer: beesknees

AnswerCrossword Clue
BEESKNEES

First-rate!

BEESKNEES

Cat's pajamas

BEESKNEES

Living end

BEESKNEES
Living end, once
BEESKNEES
Living end, old-style
BEESKNEESHeight of excellence, supposedly
BEESKNEESAlternative to cat's pajamas?