From Longman Dictionary of Contemporary Englishfly at somebody (also fly into somebody) American English phrasal verbANGRYto suddenly rush towards someone and try to hit them because you are very angry with them → fly→ See Verb table
Examples from the Corpus
fly at • Excuse me for that one, but remember we are flying at 13,000 feet.• We laughed at this point, because our H-l9s flew at 80 knots.• The ferry's flag flew at half mast as the probe went on at Cork's Ringaskiddy port.• The planes flew at high altitudes, so that we had no warning.• They will fly at low level for two hours, with many men suffering the effects of air sickness and dehydration.• In actual practice they flew at one or less.• It seems that the Battler and Rico let fly at somebody who was coming out of the back door of the Regal Arms.• Noodle or Blueboobs would have flown at the kid to avenge Crackpot. 