bb

bb

slang An abbreviated spelling of "baby" typically used in text messages or online communication. Almost always written in lower case. Aw, what's wrong, bb? A: "Look at this precious bb!" B: "OMG that's the cutest kitten I've ever seen."

BB brain

A stupid person. (A "BB" is a very small pellet used as ammunition.) Did you see the guy who's wearing two different shoes? What a BB brain.
See also: bb, brain
Farlex Dictionary of Idioms.

BB brain

n. a stupid person; a person seemingly with a brain the size of buckshot. (Also a rude term of address.) What BB brain left the door open?
See also: bb, brain
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • BBS
  • R U OK?
  • like back
  • O RLY
  • greatest of all time
  • (I'm) (a)fraid so
  • afraid so
  • come to mention it
  • AWOL
  • absent without leave