Top Definition
a pilots term meaning look behind you
can also mean to check the ass on a chick or check out a chick out behind you
check six and check the six on that chick
by check six January 26, 2006
1. In fighter pilot parlance, to check ones tail for enemy aircraft-the aircrafts 6 'o clock 2. To check ones ass for dingleberries after an especially powerful shit
"Bandits in the area, check six"
by Labordehater February 09, 2003
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