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1.
Sexual version of a marathon whereby adults indulge in constant shagging over a number of days. Experimentalism is encouraged!
My mate Ken and his bird had a fucking shagathon for 6 days. Lucky bugger.
by charbrad73 November 25, 2009

Words related to shagathon

sex marathon session shag bone exercise fuck porkathon screw
 
2.
Having multiple sexual partners in one session. Can also be described as group sex.
Oi come to my house for a Shag-a-thon, ive invited 10 people. We are swapping partners every 10 minutes.
by 1011001 July 14, 2009