an event where a guy and a chick get it on repeatedly, as if they're never gonna stop
"How was your date?"
"Lasted all weekend, a real fuckathon.I was exhausted by Monday morning, glad to go to work."
1. similar to marathon just with fucking
2. can be just continous sexual contact between a man and a woman
3. 3-some, 4 some, 5 some, etc (when u get the "buds" together and they arent weraing any clothes except perhaps a tie)
hey i went to a fucka thon
man i was tired after my 36 hour fuckathon with marissa
man lets get bob, cally, merry, dolly, and mark togehter so we can all do each other up the ass
When people indulge in sex for longer periods of time, usually over the weekends and in groups. Gays regularly engage in fuckathons on weekend.
Mark: "Boy my ass is sore and I can's hit; it took 20 loads this weekend"
Eli: "Man, you were in a fuckathon"
Mark: "Yes, I was and it was one helluva experience."