Most usually referring to some inane math equation (or a section of one) on the board, but can be used in other situations in which someone understands something but doesn't feel like going through the process of saying it out-loud.
"So you need to insert the exponent gobblygook into that other bogusover there..."
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.