Having or showing little sense, judgment, or sobriety; foolish, stupid, absurd, ludicrous, irrational, etc.
Behaving in a bewildered, confused, or dazed manner.
Free from troubles or worry
Jovial and rakish in manner.
The definition of freewheeling is without rules.
Taking things easy; carefree.
Find another word for slaphappy. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for slaphappy, like: silly, punch-drunk, carefree, devil-may-care, freewheeling, happy-go-lucky and harum-scarum.