party pooper



  • noun a spoilsport, ‘wet blanket’. This expression (see poop for the probable origin) was introduced to Britain from the United States in the early 1960s. It originally referred to adults interfering in teenagers’ activities, but was later generalised to describe any morose or unconvivial person.

Idiom of “party pooper”

spoil sport; person who cannot be relied on to encourage pleasurable social interaction