blow away

verb9

1. •
   To cause to go away by blowing, or by wind.

   • He blew away the dust which had collected on the book.
2. •
   To flabbergast; to impress greatly.

   • The critics were blown away by their latest album.
3. •
   To overwhelm.
4. •
   To disperse or to depart on currents of air.

   • I didn't have to rake. The leaves just blew away.
5. •
   To kill (someone) by shooting them with a firearm.

   • The kid just blew the clerk away.
6. •
   To utterly destroy, especially with overwhelming force.
7. •
   To cause to go away; to get rid of.

   • And when skipper Richie McCaw hoisted the Webb Ellis Trophy high into the night, a quarter of a century of hurt was blown away in an explosion of fireworks and cheering. — 2011
8. •
   (figurative) To leave, depart.

   • She was like / Jazz on a summer's day / Music, high and sweet / Then she just blew away — 1982
9. •
   (informal) To delete (data, files, etc.).