Verses with the word boasters in the New Testament (2 verses):
Romans 1:30
Backbiters, haters of God, despiteful, proud, boasters, inventors of evil things, disobedient to parents,
2 Timothy 3:2
For men shall be lovers of their own selves, covetous, boasters, proud, blasphemers, disobedient to parents, unthankful, unholy,