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1. Twinsome
The action of having sex with twins, much like a threesome.
I want to have a twinsome with Jack and Finn Harries
2. twinsome
Like a Threesome, but with twins and one other partner.
Look at those 2 twin blondes playing pool, think I'm gonna get me a twinsome.
by Jeff Delaney Jun 27, 2005 add a video
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