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adj. slap·hap·pi·er, slap·hap·pi·est Slang
1. Dazed, silly, or incoherent from or as if from blows to the head; punch-drunk.
adj. -pi•er, -pi•est.
2. agreeably giddy or foolish.
3. cheerfully irresponsible.
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|Adj.||1.||slaphappy - cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth"|
irresponsible - showing lack of care for consequences; "behaved like an irresponsible idiot"; "hasty and irresponsible action"
|2.||slaphappy - dazed from or as if from repeated blows; "knocked silly by the impact"; "slaphappy with exhaustion"|
colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
confused - mentally confused; unable to think with clarity or act intelligently; "the flood of questions left her bewildered and confused"