The mason Dixon line Share definition Flag The imaginary line between your girls vagina and ass that she won't let you cross during sex. "I was trying to put it in her butt, but she wouldn't let me cross the mason Dixon line. " The mason Dixon line by Ye Olde wordsmith November 30, 2015 0 0 Get merch Get the The mason Dixon line mug. Buy Now — $32.95 See more merch
