bro talk is a chat among friends at a social event that involves very important information, some examples include:
Where someone plans to spend the night
Where more brew is at
How someone is getting home
What someone is doing for the rest of the day
Which babes are lookin fine or not
How gay someone is being
How to get invited over to someones house that you're not invited to
And in general pretty much anything
an example of bro talk:
Bro 1: DUde she is lookin finnne tonight.
Bro 2: dude tap it.