a versatile interjection with a dual meaning:
(1a) "Sweet!"
(1b) "At the present moment, I have a commanding grip on your genitals."
(1b)'s usage is usually figurative, and is best used to express temporary and unearned dominance over another individual.
Rosie: "Dogg, I just got dinner with mad bitches and one them didn't finish their lasagna, so I brought it home for you to eat."
Yoshi: "Rapzini!"
In this instance, the reader is left to determine whether Yoshi is expressing delight over procuring free lasagna, or a sense of smugness and superiority in light of (a) Rosie's dutiful gesture of bringing home the aforementioned lasagna and/or (b) Rosie's intellectually bankrupt choice of the third person plural possessive "their" in describing a single bitch.
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.