A state in which someone's conscousness is altered by both drinking alcohol and being stoned off their ass.
Emily: Are you stoned yet?
Trevor: I'd thay tho mythelf, and drunk, too.. is there a word for that?
Emily: Yeah, you're "Crunked"
Trevor: Tomorrow when I'm still wasted at my dad's work, I'm going to post a useless definition on urbandictionary.com along with our conversation.
And then I lost my virginity. Not a happy story.