The point at which you drink so much
alcohol, that basic body functions become difficult, near to
impossible to perform. Examples include: not being able to talk coherently, inability to stand or walk, falling face first, etc.
Dovered is one of the upper echelons of intoxication. It is
right under unconsciousness, but well above hammered or plowed.
Friend 1: "Hey
man, did you see
Mark last night? That boy was drunk as hell"
Friend 2: "Naww
man, with how many times he fell down, he was Dovered"