Dave Drunk occurs when you have consumed alcohol to the point that you can no longer maintain the slightest level of social interaction. Common with anyone named Dave. Cause can be associated to actions such as chugging a bottle of Fireball.
Dave: Dude, what happened last night, I woke up on in my room with my boots on. Last I remember is nose diving into the fire.
Friend: After you tried to burn yourself alive we drug you to bed by the ankles. You were Dave Drunk, again.