1 definition by Theonanonymous Douche
O-Nani (noun) an Australian derogatory slang term used to refer to American friends/housemates, meaning wanker, derived from onanism and yank.
Hey Dave, what are you and the O-Nani doing tonight? Coming to the pub, or will you keep him locked up in his basement?
by Theonanonymous Douche June 3, 2021