blow off

выпускать воздух или пар; продувать, спускать

Англо-русский научно-технический словарь
blow off

transitive verb Date: 1856 1. a. to refuse to take notice of, honor, or deal with ; ignore
Example: decided to blow off two billion viewers — Harry Homburg b. to end a relationship with 2. to outperform in a contest 3. to fail to attend or show up for
Example: blew off an official dinner

Merriam-Webster's Collegiate Dictionary