From Longman Dictionary of Contemporary Englishnot take/pay a blind bit of noticenot take/pay a blind bit of noticeBritish English informal to completely ignore what someone does or says, especially in a way that is annoying He never pays a blind bit of notice to what his staff tell him. → blind
Examples from the Corpus
not take/pay a blind bit of notice• For six years, the Government have not taken a blind bit of notice of the Audit Commission's report. 