Definition of bootlicker noun from the Oxford Advanced American Dictionary

 

bootlicker

 noun
noun
NAmE//ˈbutˌlɪkər//
 
(informal)(disapproving)
 
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a person who is too friendly to someone in authority and is always ready to do what they want
bootlicking
 
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noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: bootlicker