Has multiple definitions.
1) Literally a bad wig
2) Bad ass
1) "God, that hair piece... That's one bad wig"
2) "Elise, you're so bad wig 3) "Wow, man. That speech was so bad wig"
4) "Urg, Mr. Downs' lessons are ssssooooo bad wig"
5) "Whoaaaaa. That move was bad wig"
When eating something so delicious, it gives you a form of sexual arousal. It doesn't have to be chocolate being eaten, any food at all. Comes from the scientific theory that chocolate contains ingredients capable of causing an actual orgasm. This is why it is so irrisistable.
"Let me have a bite of that... ohhmmm"