1.VerbTo engage in a simple, useless activity that anyone would reasonably know how to perform.
2.VerbTo engage in a futile activity.
3.VerbTo go away; get lost; go to hell; to waste one's own time (with some other meaningless task) rather than waste the speaker's time with something equally irritating or pointless.
"All you do is complain. Why don't you go pound sand up your ass and stop bothering the line staff."