is the ratio obtained by dividing the number of a girl's photos showing boobs and cleavages by her total number of photos in a social media channel.
Dude 1 : Woah, look at these boobs !
Dude 2 : Yeah, I knew that girl in college, she has a big boob rate.
Dude 2 : Yeah, I knew that girl in college, she has a big boob rate.
by Emptydictionary December 15, 2014
Get the boob ratemug.