Fill It Up! - Written for the masturbation challenge

[serenity151979.livejournal.com]

Title: Fill It Up!
Pairing: Greg and Nick
Rating: NC-17
Summary: Missing scene for Down The Drain. I took a few liberties with Grissom's experiment, but hey, it's all in fun!
Disclaimer: Don't own them, not making any money, not working for CBS.


I'm writing this on 3 hours sleep, so be kind of any typos!

Fill It Up!