When you wake up feeling so crappy, you walk around moaning and dragging your feet. A result of either being hungover or just not being a morning person.
BossmanDick: You're two hours late for work!
Soontobehisboss: Cut me some slack, I woke up zombified
BossmanDick: I'm writing you up!
Soontobehisboss: Jeez Dick, you're such a dick...
One who always finds themselves in someone elses bed. Not particularly a very proud hobby.
Dude: That chicks' a bedweller
Dude's friend: I think I'll score with her tonight Dude.