PARTY POOPER
Meaning of PARTY POOPER in English
party poop ‧ er /ˈpɑːti ˌpuːpə $ ˈpɑːrti ˌpuːpər/ BrE AmE noun [countable]
informal someone who spoils other people’s fun
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012