slaphappy

Adjective (2)

1. cheerfully irresponsible“carefree with his money”“freewheeling urban youths”“had a harum-scarum youth”Synonyms: carefreedevil-may-carefreewheelinghappy-go-luckyharum-scarum
2. dazed from or as if from repeated blows“knocked silly by the impact”“slaphappy with exhaustion”Synonyms: punch-drunksilly