Define B Meaning

b= babe or bae

A greeting to one of your homies

babe,baby

B
The word is a derivative of Brother, was, through usage, shortened to Bro, and finally condensed to just B.

all the 12 year old swag kids use it, its basically short for baby but they can't be arsed to write the full thing (or should I say type) because society is lazy and stupid.

an abreviation of the word 'babe/babes'

it is used by yoot bois who are adressing their girls/wifeys

Short for bitch.

short for babe, bub or baby when people think it's a bit cringe.

Abbrevition for blood. but its a way of endearing somebody or adressing 'em. It definitely don't mean "boo" ,whoever the person was that wrote that.