Always applied to lazy people, but best addressed to those who pretend to be working in order to look industrious, and avoid punishment or harder jobs; also, for those who think they are attractive and therefore shouldn't have to work.
2. "Don't stand there goldbricking; you're not too cute to wash your own damn dishes."
Also: "I just asked myself, 'Where would I go if I was goldbricking?' -- and there you were." -- Sgt. Mary Gumm, from Friday, by Robert A. Heinlein.