Answer: killjoys

AnswerCrossword Clue
KILLJOYSSpoilsports
KILLJOYSSpoilers
KILLJOYSWet blankets
KILLJOYSParty poopers
KILLJOYSGrouches
killjoysA person who deliberately spoils the enjoyment of others through resentful or overly sober behavior
killjoysKILLJOY, one who spoils the fun of others