To have
smarts/be smart, but usually not in a knowing calculus at the age of 6 smart, but just being aware and making smart choices. Mostly known for "
Keep your wits about you." quote from several films,games and media that date back in the days(medieval etc). Meaning just
keep your head up and be smart about what you do, be careful.
Malik decided to get
piss drunk right before finals and didn't even study, he failed the test the next day, he sure as hell didn't keep his
wits about him.
Take this sharp stick, it's all I have to give you before you venture off onto your jourey... but with just a stick, be sure to
keep your wits about you, Sir Mark.