to make a rude sign with your thumb on your nose; to show that you have no respect for sb / sth
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to make a rude sign with your thumb on your nose; to show that you have no respect for sb / sth
he'd thumbed his nose at the Ad Board, he'd gotten a lot of notoriety.
We're both reformers who are not afraid to thumb our nose at our own party.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición