Making a deal to get something to where it's either out of the norm, something you would never do, or just plain odd; to the point where it makes it even more bizarre and lucrative just based on the desire/need/or desperation of the item or favor you are making a deal for. Furthermore it may be with a person or people to whom you would NEVER really associate with during any other time. Almost like making a deal with the devil
I just made a wicked drug deal with Jeremy. I offered to do his homework for a week while he let me borrow his car next weekend. Normally I wouldn't fuck with him, but he has a sweet ride, and I'm trying to impress Suzy so I can get some ass. Hoo boy...