abb. of androgynous. having characteristics of both masculine and feminine gender ideals (being some where in the middle or outside the male-female polarity model). andro can refer to clothes, appearence, attitude, style, or self-identification.
many pop musicians in the 70's and 80's cultivated an andro look, e.g. mick jagger, david bowie, annie lennox, prince, and boy george, to name a few.