Watch out for danger behind your back (like you might get jumped or something).
Watch your back.
Keep an extra set of eyes on the back of your head.
Watch your back.
Keep an extra set of eyes on the back of your head.
by Brent Ninja October 11, 2012
by K!ngFox July 10, 2021
Stay frosty and cover/watch your six!
by gunshy77 May 11, 2014