A variation of the london/jamaican greeting "wagwan" usually used ironically. The "sh" is exaggerated and the longer you hold it the better.
Andy: Ssssssssssshwagwan brodda!
Stuart: Shwagwan Famalam! What the fucks haaaaaapnen'?
An Italian anal bead is when you put leftover meatballs and spaghetti up your ass.
Guy 1: When's your dolmio day?
Guy 2: I already had my Italian anal beads this morning. Oh mumma mia what a mess!