Often used to pass along some cruddy job you don’t want to do to the next person down on the food chain. A screwdo is also handy if you have a nice insult for someone but want to wrap it in a pretty compliment.
Example 1: (when using to pass along a task to someone else):
Bossman: “Listen Peon, you did such a great job on putting together this marketing plan for me, I think it would be a fun project for you to take over and handle from now on.”
Peon: “Skittles, I just got a screwdo from my boss.”
Example 2: (when using to wrap an insult in a compliment):