BB means babe or baby but it can also mean "Bro Buddy", used by people who are great friends
1. Your my bb Ily
2. YO BB WADDUp
{A big bitch}
{friend:Dammm shes thiccccc}
{other friends:No shes a bb}
Short for “Bitch Behavior”. Someone who isn’t up for anything or down to have fun. Wants to stay in for the night.
David: Ayo Meeks whats Johnny doin tonight?
Meeks: Idk man he’s on some BB tonight
David: say that. We’ll go on without him