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(adjative) When wearing a button up shirt with no under shirt the spacing when cloth folds outwards into a v like fashion revealing the skin beneath the shirt.
"Dude did you see that Burt Reynolds looking mofo hitting on my girl over there? Every time he tried to put his arm around her you could totally see some shirt-vaginas popping up"
by kcikaz carroford September 05, 2009
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