a wet blanket

(informal)

someone who does or says something that stops other people from enjoying themselves I don't want to be a wet blanket, but you really must play your music more quietly or you'll disturb the people next door.

Common Names:

Name	Pronounced	Usage
Charles	CHAHR-əlz (English), CHAHRLZ (English), SHAHRL (French)	English, French
Catriona	ka-TREE-na, ka-TREE-o-na	Irish, Scottish
Lykke	-	Danish
ZoltÁN	ZOL-tahn	Hungarian
Chloe	KLO-ee (English)	English, Biblical, Biblical Latin, Biblical Greek, Ancient Greek, Greek Mythology
Seeta	-	Indian, Hindi