happy-clappy adj. excessively or falsely cheerful or optimistic. Editorial Note: This term is frequently applied to evangelical religions and their practitioners. (source: Double-Tongued Dictionary)
Further reading
A listener in Lorain, Ohio, wonders about the origin of the terms happy and happiness. Both come from an older word hap, meaning “chance” or “luck,” also the source of happen, mishap, hapless, happenstance, happy-go-lucky, and perhaps. Language...
The long popular and newly legal-to-sing “Happy Birthday to You” has always been ripe for lyrical variations, particularly at the end of the song. Some add a “cha cha cha” or “forever more on Channel 4,” but a listener tipped us off to another...