What is Cop Z's?
To get some sleep.
To take a nap.
Quote from TV series Fresh Prince of Bel Air. Will - "G, I'm gonna take Lady Penelope out to the Opera, Cop a few Z's ( Cop Z's ), and show Uncle Phil that im responsible. This weekend, I'm with Ziggy."
When one is sleeping, in text it is shown as "ZZZzzzZZZzzzZZZ". It Indicates snoring. There for to Cop Z's means to obtain sleep.