fly low

• Audio (General Australian):

  (file)

fly low (third-person singular simple present flies low, present participle flying low, simple past flew low, past participle flown low)

1. (idiomatic) To have one's fly (zipper) undone.
2. (idiomatic) To fly under the radar; to act in a discreet or sneaky fashion.

• fly without a licence

• owlfly, wolfly