1 definition by shmuzzy

Top Definition
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."
by shmuzzy February 27, 2010

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