When your cock isn't up to it and it resembles a slug but you try to stuff it in anyway and the receiving hole is tight. Like the opening coin slot on a money box.
"Hey Colin did you get laid last night?"
"Yeah bruv, me cock wasn't interested though so it was like sticking a slug in a money box"
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.