fun sponge
English
Etymology
Suggesting that such a person, etc. would suck up the fun as a sponge sucks up water.
Pronunciation
Audio (US): (file)
Noun
fun sponge (plural fun sponges)
- (figurative, informal, mildly derogatory, usually endearing) Someone who or something that takes the fun out of life; a killjoy.
Synonyms
- buzzkill, killjoy, spoilsport; see also Thesaurus:spoilsport