Gapometer Share definition Flag A gauge system utilizing the fingers to deduce the width of a woman's gap between her legs... "Wow!, I met this hottie at the club the other night, I woulda fucked her silly but she pulled a three on my gapometer" Gapometer by cMoneygRip January 30, 2009 0 0 Get merch Get the Gapometer mug. Buy Now — $32.95 See more merch