When you try to mix "Yo" and "What up."
Typically happens when a friend comes into your room with your fat ass slumped on the couch after drinking a 12 pack
*friend comes into the room*
"Yuddup man."
"Jesus Christ, you are still sitting where you were a week ago."
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.