buzzkill

noun — 2 senses

noun

US /ˈbʌzkɪl/

Etymology From buzz (“feeling of energy or excitement”) + kill.

Idiomatic, Slang Something that or someone who spoils an otherwise enjoyable event.

Idiomatic, Slang A person who attends a social event and occupies their time with unsociable activities.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.