Orginally a childrens televisionprogramme , the word has now been adopted as a form of negative Scottish slang. It can be used as in isult or as a negative term to describe someone/something.
The act of stabbing one’s flaccid penis in the tip with a fork of any kind, and snaking it up another’s ass hole; then proceeding to get and erection and killing the other person via internal explosion of blood from the penis.