I think the post is going two diff ways.
One scenario is just checking out another guy's woman.
The other scenario is the guy checking out the woman, and then staring the guy down as if to say 'yeah, i wanna bang yer woman's A, whatcha gonna do about it'.
Personally I could care less if someone stares at my wife's Tits/A. At a party once, I was talking to some guys i didnt even know, my now wife, gf at the time, walked by and one guy says to me "now that's the type of ass i like"..."i was like, yeah, sweet and round eh?", then she walked by later, and I gave her a goose. The kid didnt know what to do and just looked at me like "oops".
I check out a nice femme when the chance arises, but its more just a glance than me taking my D out and beating it on her A...now that is disrespect.