All right, I'll take the nodeshell challenge.
Dirty tricks: something sly, deceiving, and usually pretty unethical done to you that puts you at a disadvantage compared to them, the people perpetrating the tricks.
Good examples of this would be:
You'll note that most times dirty tricks are used, they take advantage of your complacence, ignorance, and trusting nature.
Participate in your own manipulation. It's far more fun.