1 definition by 3fingerflatspot

Top Definition
The space in between the top of a girl's legs directly against the vagina. Measured in finger-widths from behind. 3 fingers is the perfect width for a flat spot. If a girl has a 4 finger flat spot she is probably bow-legged.
I won't fuck a girl who doesn't have at least a 2 finger flat spot.
by 3fingerflatspot January 28, 2010
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