Sexually,
men are more easily
stimulated
visually than by anything else, and so with their eyes on a
woman, there are basically two recognised camps of men in this regard:
A tit man is a connoisseur of the female form who appreciates the bust more than anything else on a woman. Some like 'em big, some like 'em small, some like 'em perky, some like 'em bouncy, the possibilities never end. Its not such a bad thing that they are the prevalent type, although they can adversely affect women's perceptions of themselves by demanding more than is present.
Note to those who haven't heard the terms before: I'm not making this up, leg man and tit man are known types, so use them at will to parry your friends. B)