The term "assoholic bitch" refers to how badly someone is metaphorically drunk someone is off of how much of an ass hole they are, causing them to behave like a "bitch".
A person, like a any other drug addict, who cannot enjoy life without addictive chemicals.
When your housemate only gets out of bed on weekends to go out drinking and is otherwise a sullen sap. Someone whose happiest moments revolve around alchohol or being drunk.