something that is
five to eight is something that is slim,
literally (a tie-where it originated), figuratively (chances, the likelihood, etc.), generally unlikely or only slightly likely. the term derives from the time 7:55, or five to eight, when the chances of getting to 8 o'
clock class in time are very slim/uncertain.
1-
dude that tie is five to eight as hell!
2-yeah, its only like an inch wide!
or
1-what are the chances of us getting caught?
2-pretty five to eight, shots is on duty tonight