Slang or short form for a Gujarati person; an individual from the Indian state of Gujurat. Use of the term is typically not considered taboo, although it can be used in a derogatory manner. It is often used self-referentially by other "gujjus".
"Did you know that Arjun is dating some gujju girl?"
"Gujjus can't do bhangra, yar!"