Wet blanket
WordNet
noun
(1) Someone who spoils the pleasure of others
WiktionaryText
Noun
Synonyms
- cold fish, killjoy, party pooper, spoilsport, stick in the mud
See also
- bust someone's bubble
- make waves
- put a damper on
- rain on somebody's parade
- rock the boat
- upset the applecart/upset someone's applecart