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1.
The sweetest party ever. Happens one weekend a year at an all girls catholic summer camp somewhere in New Hampshire. Everyone drinks in excess to the point no one remembers the previous night.
#1. Yo, when I woke up to take a piss this morning I had a condom on my dick and I don't remember who I slept with.
#2. Yeah, no shit this is jerkfest.
by Johny Applesauce May 31, 2007
 
2.
similer to a wankathon, where the person consists to wank them selves blind for countless hours.
person 1. "jesus mate you look like shit, didnt you sleep last night?"
person 2. "No mate i was having a jerkfest."
by Jon Riley June 08, 2007