party pooper
US: ˈpɑːr.t̬i ˌpuː.pɚ
UK: ˈpɑː.ti ˌpuː.pər
nounCambridge Dictionary
View on Cambridge →noun
1.someone who spoils other people's enjoyment by disapproving of or not taking part in a particular activity
Translations
Chinese (Traditional):煞風景的人，令人掃興的人…
Chinese (Simplified):煞风景的人，令人扫兴的人…
Spanish:aguafiestas…