a typical situation in which a person is talking in the presence of friends and says something unaware of what they said has more behind it, which is then verified by a silent stare and nod by your buds
dave: so listen guys this chloe girl says shes single and has been for a while and would like to meet up sometime
bob: uh huh (looks over to carl, and thinks the same chloe who had sex with matt two days ago)
carl: thats cool man ( looks over to dave and silently confirms using bro-knowledge )
The knowledge and general rules of the brohood that is shared among your close friends or bros.
Its always bros before hoes thats just general bro-knowledge.