inverted snob
noun [ C ] UK disapproving uk/ɪnˌvɜː.tɪd ˈsnɒb/ us/ɪnˌvɝː.t̬ɪd ˈsnɑːb/
（不喜欢与高社会地位有关的事物，而认同低社会地位相关事物的）倒转势利者
a person who makes it known that they do not like things related to high social position but approve of things related to low social position