The use of innuendo, such as double entendres or euphemisms, in conversation across the instant messaging client MSN Messenger (now known as Windows Live Messenger) or similar. It may or may not include use of default or custom emoticons.
David: "I was talking to Emmaonline yesterday - I think I'm in."
Daniel: "Why do you say that?"
David: "We were both dropping a lot of MSNuendo."
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.