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When two people have similar or the same scar on the same place on their body, it doesn't matter how they got them. Those two people are now connected and stuck with each other by the force of the Universe keeping them close to each other
Friend1:Yo have you noticed that we both have a scar on our cheek? Guess that makes us Scar Twins.
Friend2:Wow after 17 years of friendship we just now noticed that.
by Mufasamarini2 June 17, 2018
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