Green’s Dictionary of Slang

streetwise adj.

[street, the n. (1) + -wise sfx (1)]

(orig. US) able to survive in the inner city or the ghetto streets despite a lack of material, bourgeois advantages.

[US]Chicago Daily Trib. 24 Oct. 4: While many honest men climbed, dozens of unscrupulous street wise and alley sharp men scrambled up the ladder.
[US]C. Brown Manchild in the Promised Land (1969) 435: Rock was street-wise. He knew about hurting people and even about killing people.
[US]Sepe & Telano Cop Team 26: Telano had encountered a street-wise cop who recognized an undercover operative.
[WI]M. Thelwell Harder They Come 201: Many of these slick, streetwise urbanites were not long from the country.
[UK]Guardian Weekly 6 Sept. 4/5: A couple of expressions have only come my way in the last month or so. One is ‘street wise’ and the other ‘street cred’.
[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 143: Two attractive but street-wise blondes .
[UK]V. Headley Yardie 36: Behind the tough streetwise facade [...] the boy was intelligent.
[Aus]G. Disher Deathdeal [ebook] [A] common ground [...] something hard and streetwise.
[US]L. Rodríguez Always Running (1996) 43: [of an automobile] Bouncing lowriders, streetwise ‘shorts’ [...] which cruised the main drags of local barrios.
[UK]G. Malkani Londonstani (2007) 22: He was as streetwise as those dicks who wear hats to horse races.
[US]A. Steinberg Running the Books 4: A book-slinger with a badge and a streetwise attitude.
[US]T. Swerdlow Straight Dope [ebook] Robert Lee is a big, dark, well-worn cat, streetwise and countrified at the same time.