wet blanket

Noun
  1. Someone who spoils the pleasure of others (synset 110657534)
    domain usage: colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
    is a type of: persona non grata, unwelcome person - a person who for some reason is not wanted or welcome
    subtypes: fuss-budget, fusspot, worrier, worrywart - thinks about unfortunate things that might happen
    same as: killjoy, party pooper, spoilsport

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