Definition of big talk in English:
big talk
noun
Exaggerated, showy, or boastful speech.
Origin
Late 17th century; earliest use found in John Dryden (1631–1700), poet, playwright, and critic.
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Exaggerated, showy, or boastful speech.
Late 17th century; earliest use found in John Dryden (1631–1700), poet, playwright, and critic.