1. To stop obstructing or impeding someone; to move out of someone's path. Just get out of the way when she's upset like this. I appreciate that you're trying to help, but you'd actually be more helpful if you got out of the way.

2. To lose one's ability to do something. With all this rainy weather lately, I've gotten out of the way of going to the gym.

3. To do something undesirable or unpleasant in order to be finished with it. In this usage, a noun of pronoun is used between "get" and "out." I volunteered to go first so that I could get my presentation out of the way.