A potent and evil smell originating from the anal cavity. This is the end result from a random and unusual mixture of foods. I.e Coffee, cesar salad and curry.
Sue Ellen: Awh heck Bill! What da hell is that turrible smell?
Bill: Ahhh, sorry Suzie, I got the toots again.
Sue Ellen: Damnit boy! That ain't the toots, it's a severe case of assrot.
Bill: Well, atleast we know what to call 'em now.
Derived from the Soul Caliber character "Astaroth" an asstooth is a big, bumbling, klutzy galoomph of a person who is obviously doing something that requires negative use of the brain.
"No, it's probably NOT a good idea to stick your hand in the waffle iron, asstooth"
"whatever ,asstooth" - usually said in exasperation when someone keeps talking about the new plumbing they're installing in their bathroom.