Definition: BB, standing for Big Bitch or Big Bastard
Origin: when Heidi Klum said that Sophia in Germany's Next Topmodel walked like a little bitch, the viewers joked that she looks like a BB
Big Bastard originated after they made BB gender neutral
Made so people don't know you're insulting them
Related; to get shot with a BB gun, to shoot with a BB gun
Heidi Klum: you look like a little bitch when you walk
Viewer: Girl you look like a BB
lilah:ayeooo me and bb been texting lately
gia:aidan?
lilah:yuh
gia:perioddddtt
Short for "best buddy" aka something to say to your best friend
you: hey bb
your best friend: hi bb :)