check your six

check your six

tv. look behind you (where there may be danger). (see also on your six. Refers to six o’clock as being behind one, as if one were facing twelve o’clock.) Check your six, bud. Some gangsta’s getting close to your wallet.
See also: check, six
References in periodicals archive ?
Mentally check your six again when you shout "clear" before starting your engine.
If you decide to stop or turn, check your six again before adding throttle.
Check your SIX numbers with the numbered boxes on our Sunday People one-armed bandit.
Check your SIX Hit The Jackpot numbers with the numbered boxes on our Sunday People one-armed bandit.