What is the meaning of Blow_away?

Used other than figuratively or idiomatically: see blow, away.

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

To disperse or to depart on currents of air.

To kill (someone) by shooting them with a firearm.

To flabbergast; to impress greatly.

To overwhelm.

To cause to go away, to get rid of

To delete (data, files, etc.).

Source: wiktionary.org