Altered state of confusion, normally drug or alcohol induced, that has the effect of rendering the person oblivious to his loss of control. Biffledinked is typically used by the intoxicated person in error.
Also: a state experienced by runners when exhaustion blocks normal channels and allows the runner to continue on beyond normal limits.
Duke (in a Doonesbury comic): "I'm on my fifth tab and it looks like I've been ripped off again. This stuff is so bad I am not even the slightest bit BiffleDinked!"