snob Definition

1. Someone who places too high a value on social status, treating those higher up the social ladder obsequiously, and those lower down the social ladder with condescension and contempt.

Thesaurus: braggart, pretender, upstart, parvenu, elitist.
2. Someone having similar pretensions as regards specific tastes. Compare inverted snob.

Example: a wine snob
Example: an intellectual snob