B'one is a contraction derived from African American Vernacular English (AAVE) and represents the combination of "been done." It is used to express that an action or state has been completed in the past, and its effects are still relevant in the present. This construction is often employed to convey a sense of extended or continuous duration, indicating that something occurred a while ago but continues to have significance.
I b'one told you not to mess with that, but you didn't listen.
Mom b'one cooked a delicious meal for us; it's in the kitchen.
I b'one seen that movie; it was great.
We b'one planned the surprise party for her birthday.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.