slaphappy

US: /ˈslæpˌhæpi/ ,(slap′hap′ē)

Inflections of 'slaphappy' (adj):

slaphappier

adj comparative

slaphappiest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

slap•hap•py /ˈslæpˌhæpi/   adj., -pi•er, -pi•est. 

1. severely confused, as from having been hit too often;
   punch-drunk.
2. agreeably giddy or foolish.

WordReference Random House Unabridged Dictionary of American English © 2025

slap•hap•py  (slap′hap′ē), adj., -pi•er, -pi•est. [Informal.]

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

• slap¹ + happy 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::

slap-happy adjective (-happier, -happiest)

1. cheerfully irresponsible or careless
2. dazed or giddy from or as if from repeated blows; punch-drunk