our web site has been down for a week and that timewaster from the it department still doesn't have a clue as to what the problem is
an unproductive, unprofessional person who consistently frustrates their peers and colleagues by wasting their time
"our web site has been down for a week and that timewaster from the it department still doesn't have a clue as to what the problem is" What is the definition of "timewaster"?