sister act

The act of two or more sisters engaging in sexual intercourse with one or more men, usually in a threesome or an orgy.
Ah, if only Brigid had a twin, we would totally get a sister act going in my bedroom.
by Robert Crumballs May 12, 2005
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soul sister

A referent for a Black female. Since at least the early 2000s "soul sister" is usually shortened to sista without the word "soul". "Soul brother" brotha is the equivalent referent for a Black male.
1.Soul sister #9, sock it to me one more tme.

2. That soul sister knows she's lookin good.
by azizip17 December 22, 2011
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twisted sister

the 80s band twisted sister ROCK!!!! they made the song "Where not gonna take it" which is still popular today....
twisted sister are one of the best heavy metal bands from the 80s apart from metallica before they became sell outs with st. anger
by feel the nosie July 25, 2003
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Hi Sisters

"Hi Sisters"
by glassesgirl101 November 24, 2018
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Brothers and Sisters

Referring to the testicles, and the sperm therein, of a man who has one or more children.
While sitting on the floor changing my daughter's diaper, she's started flailing her legs around and kicked me in the 'brothers and sisters'.
by vankinney September 02, 2009
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Brain Sister

A "Brain Sister" is a girl who wears glasses and finished high school. However, there is some debate as to whether or not a "Brain Sister" actually wears glasses.
"She was only twentyseventeen, she was a lonely beauty queen, she was a brain sister, Texas Instruments all day..."

Quoted from the Limozeen song "Brain Sister"
by Garboth March 19, 2008
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play sister

The undercover love interest of a man who is engaging another woman outside his marriage or relationship. To his wife or girlfriend, this extra girl is a friend, when the truth is he and this "play sister" may have been intimate in the past, but the relationship did not work out.
She's just my play sister - there is nothing up between her and I.
by vandecou December 19, 2012
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