the straight number system comes from the original word str8. that is the average. if something is really straight u can put str9 or if it like even str8r then u can put str(fitylevin) thats the highest cuz we all know u cant beat fitylevin.
Exactly 12:00 noon, on the dot. So called because both hands of an analog clock point "straight up" when it is precisely noon. "Straight-up midnight" is used the same way.