fadudlewerb
when your friend is being annoying call them a fadudlewerb. It will really make them mad if they don't know what it means.
Kaitie: "Bla bla bla."
Lilly: "Dude can you shut up? You acting like a fadudlewerb."
Lilly: "Dude can you shut up? You acting like a fadudlewerb."