relo noun2 •(Australia, informal) A relative.‘Anyway, sorry I′m late,’ said Ian. ‘Wanted to hang with the relos for a bit.’ — 2001 •(Australia, informal) A relationship.Like, baby I don't really fuck with your man. 9 mil bullets leave him tanned. I'm a playboy fucking up your relo with your heart in my hand. — 2022 formsrelos