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1. jack party
A party that is dominantly male, involving masturbation by all those who attend, although the masturbation is not intended to be mutual. You can commonly find people doing a circle jerk or playing soggy biscuit.
Adolescent: "We havin a jack party at Craig's house!"
Ghost of Christmas Past: "I would also like to come to Craig's house to wax my candle..err..jack off.
2. Jack Square
Basically a jerk circle in a square formation.
"Damn we don't have enough guys for a jerk circle so i guess we'll just have to do a jack square."
3. Circle Jerk
1. (v) Several men standing in a circle masterbating.

-Urban legend says sometimes a piece of bread is placed in the middle. The last person to cum on the bread has to eat it.

2. (adj) A description of a ridiculous situation.

"Do you guys actually work, or is it just a circle jerk back there?"

"This is one big fucking circle jerk!"
4. Union Jack
1. The British flag.
2. Another name for masturbating(jacking off) in a group, such as in a circle jerk.
After helping to win the Revolutionary War, the 5 gay American soldiers celebrated by having a union jack on the Union Jack.

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Mark H. Active participant on UrbanDictionary since February 2004.
5. cussing circle
a group of people that sit in a circle to relieve their stress by going around 1 by 1 saying a cuss word
o gosh i am really mad lets go have a cussing circle
6. Circle of Death
A drinking game very similar to Kings. Cards are spread out in a circle face down, and each card chosen has a different rule attached to it. If you fail, you drink: a sip, a shot, your choice, but the game goes fast once you learn it so be careful. Highly customizable, but these are our rules:

Ace: Rhyme. Whoever picks the card says a sentence, and the next in line (clockwise) has to rhyme the sentence. Continue until someone fucks up.

King: Rule. Make up whatever rule you want - standard ideas from Kings or other drinking games are fine, but the more creative the better.

Queen: Queen bitch. Whoever has the queen has to display it prominently on their body somewhere, and must fetch everyone a drink when they need it. To pass the queen on, you must get someone to answer a question of yours. The only safe response to a question from the Queen Bitch is "fuck off."

Jack: Category. Think up a category, then go round the table naming something in the category until someone fails.

2-10: There are specialty rules, and you are encouraged to make up your own for cards that do not have them. However, if there is no given rule, the standard is: pull a black card and you drink, pull a red card and you give a drink. It can always be one drink, or it can match the number on the card if you have enough people/are alcoholics. Number cards with special rules are given below.

8: Joke. Tell a joke to the group. If anyone laughs, they have to drink. If no one laughs, you have...
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7. Circle jerkle
when a group of homosexual men get together and masturbate in a circle, each holding the person next to them's junk.
also called circle jerk
"The men met in the bathroom for a circle jerkle."
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