I know it has something to do with sports..... but what is it?

sometimes 2 teams just play with 1 team wearing shirts(the shirts team) and the other without(the skins team)

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Thank you. Is it something that is still done today, or a thing of the past? Also, do girls engage in this activity?

Yes, still done today. As for your 2nd question, I WISH!

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Alias: and that's the story of my yeast infection

unfortunately, i've yet to come across a girl that's willing to be on the skins team

and yes it's still done, mainly in like scrimmages where half of the team is playing the rest of the team as practice.

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Maybe some nudist communities?

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lol- yeah, its used a lot... It seems like a pretty random question though... "what is shirts and skins" lol

I remember we had to do shirts and skins once, and my teacher was so dumb, because there were girls on each team.

Yeah its for scrimmages when u have only 1 team.....on my lax team we play with our practices jerseys inside out or the other way so its 2 different colors...almost the same thing...

remember on friends?

Channler: fine ill be skins.