What does "talk big" mean?

To brag; to exaggerate one's abilities or achievements.

What is a synonym for "talk big"?

Common synonyms include: aggrandize, amplify, ballyhoo, barnumize, blow, blow off.

verb, slang

verb, slang ·Moderate ·College level

Verb

1
To brag; to exaggerate one's abilities or achievements. informal, intransitive