0 used to describe an honest and direct conversation between two men:
a man-to-man discussion
We talked man-to-man.
He may be a leading scorer in our league, but at this level defences are better, the tackling much fiercer, and man-to-man marking the norm.
Now, and again at liberation, violence was omnipresent and, in contrast to the man-to-man combat of the front, was often wielded by men against women.
They are even constrained in the use of their individual physical force in a man-to-man encounter.
Ever since then section 32 has been used to cover only man-to-man importuning.
For a long period now they have steadily refused to have anything to say as to a man-to-man exchange.
The colliery manager is not free to meet his workmen with absolute man-to-man candour and confidence.
From now on we offer that help, on an individual and personal basis — man-to-man, woman-to-woman or woman-toman—every six months.
One could not come to a common basis in a man-to-man talk, whereas dealing with the men on the ground there was not the slightest difficulty.