1. Cheerfully irresponsible
   - carefree, devil-may-care, freewheeling, happy-go-lucky, harum-scarum 
2. Dazed from or as if from repeated blows
   "slaphappy with exhaustion"
   - punch-drunk, silly

See also: confused, irresponsible

• Chloromycetin
• Chlorophis
• Chlorophoneus
• Chlorophoneus nigrifrons
• Chlorophthalmidae
• Chlorophyceae
• chlorophyl
• chlorophyll
• chlorophyll a
• chlorophyll b
• chlorophyll c
• chlorophyll d
• chlorophyllose
• chlorophyllous
• Chlorophyllum molybdites
• Chlorophyta
• chlorophyte
• chloropicrin
• chloroplast
• chloroprene
• chloroquine
• chlorosis
• chlorothiazide
• chlorotic
• chlorous acid