The act of engaging in sexual intercource for an extended amount of time.

Origin: USA (screename)
A 40 minute handjob by Jessica Beil's man-arms is a sexathon.
Dude, last night was a sexathon.
I lost the sexathon.
by Duncan1382 July 27, 2007
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a festival in which a massive gang bang takes place and many people come to purchase sex toys and thongs of all sorts.
sexathon is this weekend you coming.
yep got my thongs and viagra ready!
by quipster69 April 17, 2011
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On January 1st you must go on a sexathon (Sex Marathon) by having sex for the entire day with as many partners as you would like
Hey Jessica, do you wanna join me and Erica for National Sexathon Day?
by Dirty Bob December 29, 2018
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1. n. A competition where the last person with any amount of cum left wins

2. n. When a couple of guys and gals get together and see who can pass out the fastest from orgasm

3. n. What happens when only men appear to a public event
“Are you going to the sexathon?”

“Of course! Who wouldn’t go to Gape Horn’s sexathon?”
“Aight bet! Have a good one Master Bay Shin!”
by SkipStone September 29, 2023
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