1.A word just to say for fun
2.A really annoyingdickhead son of a bitch who you really want to stab and punch until they get really badly injured
3.A mother's asshole
1. Ah Damn! Mudduhasshole!
2.You dickhead freaking Mudduhasshole
3.Oi Bro!! I just saw the mudduhasshole!!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.