look up any word, like sex:
a witty remark or saying that goes over the head of the intended listener
Jim didn't understand the Rossian comment about his knob needing polishing.
by joshtako October 18, 2011
a fan of Ross Lynch, and not of his band, R5
Girl 1: I love R5!
Girl 2: Me too! Who's your favorite?
Girl 1: Ross!
Girl 2: Mine is Riker
Girl 1: Who..?
Girl 2: Oh. You're a Rossian
by #R5Family April 18, 2013