High as shit. A term used in conjunction with high as fuck. When you are so high that you get tired of the worn out phrase high as fuck, you might incorporate other profanity to substitute the word fuck, in search of some degree of originality amongst peers.
an emotional state experienced during periods lacking activity or when individuals are uninterested in the opportunities surrounding them. boredom at the highest level, progresses to shit ;extreme boredom
Steve: "dude, I'm bored. I'm so bored, that I'm bored as shit."
Man, I'm so tired as shit, I can't even keep my eyes open; I'm so tired I can't even get turned on by this porno. And I'm usually horny as hell when I'm tired or awake in the slightest sense of the word.
Someone or something that is ignorant or worthless to the point of having no value. Also one who displays the fact that they have no common sense or knowledge in a subject.