Just launched! Learn slang while watching funny vids: urbandictionary.tv
1. fuck bucks
A pool of cash or store of wealth that ultimately, and only, goes to paying for sex, or the opportunity to have sex.
Damn, I ran out of credits on that website, time to load up on fuck bucks.

Dude, you have to break that $100 at McDonalds to get some fuck bucks.