A monumental mug of a man.
E.g. Owen is a mugatron.
mugatron: define #2
someone who is incredibly ugly. Wayyy past fugly.
Dude: Woah look at that pimple face over there
Dude2: Ew, what a mug-a-tron
Girl: OMG i don’t have makeup on today, i feel like a mug-a-tron.