go away
1. To leave or depart. I only went away for a few minutes—how did I miss that key detail in the episode?
2. To leave in order to retrieve something. Did Dad go away for the take-out yet? I want to order something else.
3. To travel or take a trip. We should go away this summer, maybe to Aruba.
4. To stop affecting someone. It took weeks, but my nasty cough has finally gone away.
5. To leave someone alone; to stop bothering someone. In this usage, the phrase is often used as an imperative. Go away, Timmy, you're annoying us! I told my little brother to go away, but he keeps coming back and bugging us!