check (one's) six

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check (one's) six

To look behind oneself, typically by looking over one's shoulder. "Six o'clock" is a military term referring to the area behind oneself. Make sure to check your six, in case someone tries to follow you.
See also: check, six
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
I can go on an iPad and check six different brands and the reviews on them, as well as the specs, and I can zero in on exactly what my preference is.
Costa broke Iran's sturdy resistance with a slightly fortuitous 54th-minute goal, and the Spaniards were lucky to hold onto their lead with Saeid Ezatolahi's effort ruled out for offside after a video assistant referee check six minutes later.
Costa broke Iran's sturdy resistance with a slightly fortuitous 54thminute goal, and the Spaniards were lucky to hold onto their lead with Saeid Ezatolahi's effort ruled out for offside after a video assistant referee check six minutes later.
His last payment was a bounced check six months ago, and the last time he called your company was two years ago.
Check Six!: A Thunderbolt Pilot's War Across the Pacific
I gave her a Blackhawk Check Six holster, a heavily canted middle-of-back rig and told her to wear it to the right of her spine.
Check Six! A Thunderbolt Pilot's War Across the Pacific.
They also will check six antennas attached to Russia's main compartment.
"The sad truth is that the president wanted a blank check six months ago and he wants a blank check today.
Another check six months later revealed that about half of the test subjects indeed had become mildly ill, and that 70 percent of them dealt with the problem by using a digital thermometer, comparing their temperature with the "Live Smart, Live Safe" fever guide, and made their treatment choices accordingly.
Thus the little spy robots, the sophisticated night goggles, and "Check Six"--the military version of a camera embedded in taillights so the driver of a Bradley tank can see behind the vehicle when he or she backs up.
As any active participant in aviation, you must always check six and keep your guard up.
I ended up walking away from the office collecting a monthly check six months before I expected to, and in fact received that first check four days later.
When injecting public funds, the government would check six points such as whether recipients could actually boost profits and streamline operations, whether the state will ever be able to recover the funds and whether recipients have properly assessed their loans.