Top Definition
Boob to Stomach ratio. This has to do with the proportion of the boobs sticking out farther than the stomach. Standards are dependent on preferences, but any ratio that has B bigger than S is good.
Alan- I like a 3:1, thats probably perfect for me, but I'd date a 4:2 or maybe a 3:2
Bret- last night you took home a 6:4
Alan- yeah. I double the BTS Ratio when I've been drinking
by Tony Oats May 03, 2007
6 Words related to BTS Ratio

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