Definition of lick someone's boots or vulgar slang ass in English:

lick someone's boots (or vulgar slang ass)

Be excessively obsequious toward someone, especially to gain favor from them.
More example sentences
  • He accused him of ‘deliberately contributing to a great propaganda coup in which… the British Government are licking their boots’.
  • Suddenly the staff are licking our boots, plying us with free chocs and smiles.
  • And who needs to worry about being called to account for your hypocritical lies, when you have such a gloriously supine media to lick your boots and shield your Royal Person.
Synonyms
suck up to, toady to, be servile to, be obsequious to, fawn over, flatter, butter up, ingratiate oneself with, brown-nose with/to
See parent entry: lick

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Pronunciation: ɪˌnaməˈrɑːtə
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