look up any word, like donkey punch:
 
1.
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

Words related to BTS Ratio

boobs breasts funbags perfect tits titties