Main entry: slaphappy, silly, punch-drunk
Definition: dazed from or as if from repeated blows
Usage: knocked silly by the impact; slaphappy with exhaustion
Main entry: devil-may-care, slaphappy, happy-go-lucky, harum-scarum, carefree, freewheeling
Definition: cheerfully irresponsible
Usage: carefree with his money; freewheeling urban youths; had a harum-scarum youth