English ⇄ Russian

buzzkill n stresses
gen.	кайфоломщик (upws); брюзга (upws); обломщик (upws); зануда (кайфолом upws); кайфолом (Tanya Gesse)
disappr.	душнила (Rakhmanova)
slang	облом (I found the Grinch to be a relatable, engaging character. I was really with him up to the point that he succumbed to social convention and returned the presents and saved Christmas. What a buzzkill that was. Dan von Winterfell); тот, кто портит настроение (slang term for someone who interrupts or disturbs others having fun while intoxicated (АБ) Berezitsky)