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Sometimes used to describe an internet forum thread where forum members all give each other kudos (Or rep where a rep system is present) for some non-event that has occurred.

Group intellectual masturbation.
Jerker1-Ohai guiz I writ a poem, post urs 2!!!!!!oneoneoneleven

Jerker2-Oh d00dbro ur peom is zo gud read mine itz ded deep <3<3<3

Jerker3-Wow ur peotri iz so gud we R all so much deeper that every1 else on deez forumz ^__^

Forum user-Wow what a fucking circlejerk, stop spamming and go get laid you fucking losers.
by BeefEgg December 03, 2010
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a bunch of guys sitting aorund wanking.... a big group jerk off.
frank is a circle jerk, he goes to circle jerks
by ryan December 07, 2003
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10
A masturbation party; can be with guys or girls. Everyone usually sits in a circle and jacks off in the company of other people.
I am planning a circle jerk next week if any of y'all are interested.
by RedHotGirl June 20, 2003
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When a Group Of Men Masturbate in a Circle and all Ejaculate onto a Cookie. Whoever Ejaculates the Least, has to Eat the Cookie.
Dude, I am never playing Circle Jerks with you guys ever again. That cum cookie was disgusting.
by A Man Plan Panama February 09, 2010
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12
when a group of males all stand in a circle and everyone jerks the person os either the right or the left of them.
"Hey, are you guys up for a circle jerk, lets all go right."
"Ok, but I well have to stand out, I'm left handed"
by nick September 07, 2004
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13
A group of guys get in a circle and wack the person to the left of them off.
Hey Steve, you coming to that circle jerk Friday?
by ExtraGoodChi March 26, 2003
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14
A group of battling males get together to masterbate and compete in races to see who can "jizz" first or the most.
Daniel you want to get some guys to go Circle Jerk At Egan's Tonite?
by Matt Bellerive June 28, 2006
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