The amount of times one gets head during sex as opposed to the times one dosn't.
"We may have had a lot of sex lately but my felatio ratio has really dropped off!! I'm getting it 1 out of 7 times anymore!
by scatbrat April 16, 2009
1 more definition
The reason i'm going to be breaking up with my boyfriend!!
I love you, but unless the felatio ratio improves, i think we should see other people!
by Penelope42069 July 21, 2010