Goldbricking is the practice of doing less work than one is able to, while maintaining the appearance of working. The term originates from the confidence trick of applying a gold coating to a brick of worthless metal—while the worker may appear industrious on the surface, in reality they are less valuable. A modern example is staff who use their work internet access for personal reasons, which can lead to inefficiency. Goldbricking online is referred to as cyberslacking or cyberloafing.
That counter is clean, so don’t pretend to wipe it – you’re just goldbricking!