smug hashtag performance
Condescending, self-satisfied, arrogant, pleased, superior, cocky, knowing, smug, gloating, pretentious, vain, self-important, boasting, dismissive, disdainful, holier-than-thou, complacent, conceited, proud, pompous, snobby, high-and-mighty, ostentatious, superior attitude, full of oneself, air of superiority, self-congratulatory.