inverted snobbery
noun/ɪnˌvɜːtɪd ˈsnɒbəri/
/ɪnˌvɜːrtɪd ˈsnɑːbəri/
[uncountable] (British English, disapproving)- the attitude that considers everything connected with high social status to be bad and that is proud of low social status
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inverted snobbery