Traditionally when some not only gets out work but then lays it on you - a good old flim-flam man. It now extends to any masterof the jiggery pokery, who shirks work and then does a runner leaving you to pick up the pieces.
They are sharp tools.
Ross: Hey Sharman, don't you need to finish the GAS brief?
Sharman: I'm being transferred man, you'll have to take it all over, now I'm off to lunch!
Ross: You are the Monarch of Shirker Bandits!
Wicky, that small pirate, managed to get out of that markets work and now I need to finish it! What a Shirker Bandit!