keep (one's) head on a swivel

keep (one's) head on a swivel

To remain vigilant of one's surroundings. Hey, keep your head on a swivel—we don't want anyone sneaking up on us!
See also: head, keep, on
Farlex Dictionary of Idioms.
See also:
  • a head
  • hold a pistol to (one's) head
  • fat
  • head above water, keep one's
  • keep (one's) head above water
  • keep head above water
  • keep your head above water
  • hide (one's) head
  • head first
  • headfirst