1 definition by Flofles

CGI - (Cunt Gap Index) The gap at the top of a woman's legs right bellow the vag. Best CGI readings are taken from a rear view (from behind). CGI measured in inches. Ideal CGI = 1.5 - 2"
That chick has a perfect CGI.. or Damn, you could park a truck in that girls CGI.
by Flofles September 13, 2011

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