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Situation:
A girl is dead, a cop was questioning in the neighborhood and reports back to a detective:

- Homeboy over here tells me that she pushed tricks. If you got $15 bucks to bend, she has a cooz you can hide out in.

It supposedly took place in Harlem. Maybe it's some kind of Harlem slang. I can't figure out the "push tricks" and "cooz".

As to my guesses,
I tend to think of "push tricks" as either "sell drugs" or "generally be up to no good" as in "doing some tricky business" - anything from prostitution to sell drugs
As for the "cooz" - I don't really know, but it seems to be something like a "love nest", meaning a place, a flat probably, one would go with a hooker to.

Esteemed colleagues, if you can, please confirm my guesses or provide me with yours if you think I'm off the right track.
Thank you beforehand, ladies and gentlemen.