Spend the night at the Zoo
Basically it means to get laid.
Guy 1: Hey so how are you and your girl going?
Guy 2: I'm Finally going to Spend the night at the Zoo!
Guy 1: That's my boy! Finna get it in!
Guy 2: I'm Finally going to Spend the night at the Zoo!
Guy 1: That's my boy! Finna get it in!