Guy to girl: "hey" girl"hey" guy:"see ya" girl"ok bye" girl to girl2:"Oh jeez do what do you think he meant by that?!" girl2 to girl1"Stop tedding out all he meant was hello"
The action of a person who sits and stares at an object or at nothing at all for an extended amount of time. They tend to drop their jaw, not react to things going on around them and possibly drool.
Student 1: Did you hear what would be covered on the exam?
Student 2: Nah man, I was tarding out like crazy.