1 definition by coolchickbeatthat
an NYC international school in manhattan and queens that is run for the children of UN staff and peoples and other people. they are smart and preppy but not that snobby. also, they suck at sports.
mom 1- oh my daughteerr is going to brearly
mom 2- oh my daughters not a transvestite, she goes to UNIS and speaks 3 languages...beat that bitch
mom 2- oh my daughters not a transvestite, she goes to UNIS and speaks 3 languages...beat that bitch
by coolchickbeatthat September 26, 2009