steal someone's thunder

verb

Meaning

To appropriate someone's ideas or information, typically in order to look better at that person's expense.
To detract from someone's accomplishments or glory; to undermine.

Related words

upstage(English)one-up(English)outshine(English)pass(English)black cat(English)break(English)one up(English)excel(English)

Sources

DictionaryAPI.dev English dictionary data