Someone who is a pal, but also an enemy: For example, an aquaintance on a rival sports team. Can also be used to describe someone who is usually a better freind when he does something antagonistic. Not to be confused with brofo which is entirely different.

When you're being horny (especially around friends) and as a result shame ensues.

A sibling, or even a male who used to be a friend, who you no longer get along with.

Noun: double entendre - Foe of a Bro; a brother fucker