inverted snobbery
Concise Oxford English Dictionary © 2008 Oxford University Press:
inverted snobbery
▶noun derogatory the attitude of disdaining anything associated with wealth or high social status, while elevating those things associated with lack of wealth and social position.
– derivatives
inverted snob noun.
inverted snob noun.
'inverted snobbery' also found in these Oxford entries:

