What is Pay As You Go?
1.
(adj.) Term used to describe a sexual partner who only sleeps with you after receiving something first i.e. Dinner, movie, gifts. Origin - UK mobile telephone payment system. Also describes a prostitute.
Atonym -
I had to take that Pay as you go out to dinner three times before I got me some!
I'm in town for a couple days on business, I need to get me a pay as you go.