Source : WordNet®

man-to-man
     adj 1: forthright and honest; "had a man-to-man talk about the
            facts of life"
     2: being a system of play in which an individual defensive
        player guards an individual offensive player; "one-on-one
        defense" [syn: {one-on-one}]
     adv : directly; "we must talk man-to-man"