Someone who gets involved with social groups; often indiscriminately.
Did you know Candis is in the Friends for Life group?

I'm not surprised, she's such a joiner.
by Fiona McColl October 28, 2007
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A common word used to describe raping or taking advantage of a drunk girl.
At that party last night, there was a lot of Joinering going on!

Never let a guy get you alone in a room if you are drunk. He will most likely Joiner you!
by BelmontSlang October 25, 2011
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Someone who vomits because someone else just blew junks.
There is no way I can clean up Jens puke. I'm a joiner..... I'll spew!
by Luke Puke March 31, 2013
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Someone who unfortunately interrupts your personal bathroom break time by using the bathroom stall directly next to you, essentially joining you while you do your business.
My bathroom time is my personal time I would prefer not to be bothered by a joiner.

I use the restrooms on the 25th floor because there are too many joiners on 26.
by Tyy Webb November 17, 2009
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A slang word for an person of Asian decent. First used in the seventys.
Joiners are the worst drivers.
by Bigokal June 1, 2007
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Term used to describe a stranger who tries to join your line at a club or tries to party with you and your friends.
Omg, did you see that girl? She totally was trying to pretend she was with us in the line. What a joiner!
by Pinkfarida September 6, 2010
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An inbred imbecile who lives in a trailer somewhere in tennessee.Has a phone fetish about using alexander graham bell's greatest creation for no worthwile purpose but to annoy people.As much use as the pope's balls.
Is that guy thick? what a joiner
by ram a lam a ding dong July 7, 2006
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