look up any word, like dirty sanchez:
 
1.
the act of having rampant wild sex over and over again in a single night.
God sexfest '98 was bomb, my dick will be limp for a week.
by bo's August 07, 2005
 
2.
1. A prolonged period of intense sexual activity between two or more people.

2. Any type of social situation.
Pardon me. I don't mean to break up your sexfest, but can you please keep your voices down? This is a library.
by LouDale February 13, 2011
 
3.
the act of meeting up with someone secretly and having alot of sex
i am having sexfests with some blonde i met in the pub the other day
by morfy October 28, 2008