Definition of arse-licking in US English:

arse-licking

noun

British
vulgar slang
  • The use of flattery or other obsequious behavior in order to gain favor.

    ‘that minister got his job from arse-licking’
    obsequiousness, sycophancy, excessive deference, subservience, submissiveness, fawning, toadyism, toadying, grovelling, cringing, unctuousness, oiliness, abjectness, abjection, cravenness, slavishness, humility, self-abasement
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