When two bros constantly text and let everyone know about their bromance over social media, but never hang out. Tends to intensify when these bros break up with their girlfriends and the friend group dissolves, or when both bros get new girlfriends and thus have no time for extracurricular activities.
Guy 1: "Man, Drake and Lil Wayne are solid bros."
Guy 2: "Yeah, that's why they stay single. If they had girlfriends, you know what would happen..."
Guy 1: "Long distance brolationship. Bro, I hope that never happens to us."