slap-happy
adjective /ˌslæp ˈhæpi/
/ˌslæp ˈhæpi/
(informal)- cheerful, but careless about things that should be taken seriously
- a slap-happy approach to life
- (especially North American English) (also punch-drunk British and North American English)(of a boxer) confused as a result of being hit on the head many times
- (especially North American English) (also punch-drunk British and North American English)unable to think clearly; in a confused state