Minority supremacist

A person who believes in the ideology that all minorities (those who are not Caucasian/white, women, homosexuals, etc.) are superior to majorities (whites, men, heterosexuals, etc.)

Commonly found on tumblr

Johm: did you hear about the minority supremacist convention?

Chad: yeah, they said they'll stab every majority within a block

John: why stab?

Chad: they're all liberals