Choppin' it up

The act of getting an attractive person's number or doing something like making out, holding hands, etc. etc. with a person

Example 1:
P1: Damn did you see that?
P2: Hell yeaah!
P1: I'm going to go say hi.
-few minutes later-
P2: What happened?
P1: I got her number!
P2: Dammmn ! Chop Chop Choppin' it up!

Example 2:
P1 is with his girlfriend, making out, holding hands and such.
P2: Hey man where were you?
P1: I just finished Choppin' it up with my girl mannnn