slaphappy

[slap-hap-ee]

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adjective, slap·hap·pi·er, slap·hap·pi·est. Informal.

severely befuddled; punch-drunk: a slaphappy boxer.
agreeably giddy or foolish: After a martini he was slaphappy.
cheerfully irresponsible: a slaphappy crowd.

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Origin of slaphappy

First recorded in 1935–40; slap¹ + happy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018