G.P.A.C.P.
Great Pussy at Cheap Prices. You splurge on a date trying to impress a girl, and she gives you a nice reward. It's usually sex. She has to be worth it.
He took me to a five-star restaurant. I gave him a blowjob. It was a good deal.
I spent $30 on dinner. She gave me a good lay. I was happy.
He paid for everything. I gave him the best sex of his life. He was satisfied.