"slap happy" in German slap-happy unbekümmert Detailed translations for "slap happy" slap-happy slap-happy(also: reckless, airily, insouciant, breezy) unbekümmert{adjectiv} It's his slap-happy attitude to making things. Source: opensubtitles.org Corpus by OPUS Request review Er ist zu unbekümmert bei der Sache.