a versatile suffix added to many offensive words to describe a person. classically used with root word "douche", modern insult artists now utilize it with other more offensive root words.
urbandictionary isa fucking cock-bag because it wouldnt accept my examples as just douchebag, fagbag, or assbag; no, the fucking shitbag of site wants me to type them in with a dash. what a cuntbag.
A bag of Miky Ways is an extremely happy occasion once it happens to you, but for anyone within earshot it is one of the scariest occurences, if not the scariest in their entire lives.
It mostly includes monsters and bloodcurdling screams of friends.
A: "Oh, shit! I have a bag of Milky Ways!" (Happy/Surprised.)
B: "Waaaahhh!!!! Aaaasadkjhkjhhh!! Aaaahhhhhh!!! (Mortified)