What does it mean when a guy says this to you?

me and my crush was having a conversation and we were talking about this guy from our course and i said to him that aww he helped me today with my project and my crush said oo i think he probably fancies you...and i said haha everyone fancies me and he said oh well when you got it flaunt it.....i dont really know what he exactly meant???flaunt whattt?