applicable only to bachelors/married men whose jobs are away from their girlfriends/wives...AKA overseas workers...AKA blueballers.
This is the time of year they can finally have sex since they can't get any in the rat-holes they're in...AKA the middle east.
Also called "annual oilchange".
1. Dicky's so excited about his fuckation he's already humping while going down the plane.
2. I know how excited he was about his fuckation I advised him to wear a condom before entering the airport.
After 30-days...
Me: "Hey Dicky, how's fuckation?"
Dicky: "Oh man, I can't wait for another one next year..."