happy event noun (usu facetious or joc)

A euphemism for the birth of a baby

happy families singular noun

A children's card game played with a set of 36 cards, each depicting one of a four-member family, the object being to collect all four cards for as many families as possible

happˈy-go-luckˈy adjective

1. Easy-going, carefree
2. Taking things as they come

adverb

In any way one pleases

happy hour noun

(in a club, bar, etc) a time, usu in the early evening, when drinks are sold at reduced prices

happy hunting-ground noun

1. (also in pl) the Paradise of the Native American
2. Any place that one frequents, esp to make acquisitions or to profit in any way

happy medium noun

A prudent or sensible middle course

happy slapping noun (slang)

The practice of physically attacking an unsuspecting victim while an accomplice records the incident on a camera-equipped mobile phone

happy as Larry (informal)

Completely happy