Definition of blow something off in English:

blow something off

phrasal verb

North American
informal
  • 1Ignore or make light of something:

    ‘he tries to blow it off and pretend it doesn't matter’
    • ‘And when a married woman blows off her commitments to her husband and her children in favor of an affair with a married man, who is to blame?’
    • ‘He sometimes blows off community groups, things like that.’
    • ‘We see Dewey rolling his bandmates' eyes by taking over-the-top guitar solos, we see him getting dumped from his band for sucking, and we see him blowing off the thousands of dollars he owes his roommate.’
    • ‘But blowing off the concerns of troops in harm's way by noting that even fully armored vehicles sometimes blow up should be another matter.’
    • ‘If you start blowing off your bud just because of her new social circle, then you are the one who is betraying the friendship.’
    • ‘Besides being arrogant and stupid, there has to be political support to keep blowing off complaints about something so basic.’
    • ‘Unsurprisingly, he blows off his friend's demand for payment.’
    1. 1.1 Fail to attend something:
      ‘Ivy blew off class’
      • ‘I just wanted to let you know that I did not just blow off the meeting on the 9th.’
      • ‘And so, while ‘treating the vote as a duty’ may, in some people's eyes, ‘makes us less likely to see it for the precious right that it is,’ so does blowing it off for a hairdressing appointment or getting to the pub a few minutes earlier.’
      • ‘We don't blow off class to cover a meeting or to write a story.’
      • ‘Nina's new guy is way more enticing than 9 a.m. calculus... but can she blow off class again?’
      • ‘But first, I must prepare that last class, for the good students who did not blow it off and leave early.’