slaphappy

[ slap-hap-ee ]
See synonyms for slaphappy on Thesaurus.com
adjective,slap·hap·pi·er, slap·hap·pi·est.Informal.
  1. severely befuddled; punch-drunk: a slaphappy boxer.

  2. agreeably giddy or foolish: After a martini he was slaphappy.

  1. cheerfully irresponsible: a slaphappy crowd.

Origin of slaphappy

1
First recorded in 1935–40; slap1 + happy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for slap-happy

slap-happy

adjective-happier or -happiest informal
  1. cheerfully irresponsible or careless

  2. dazed or giddy from or as if from repeated blows; punch-drunk

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012