3 Finger Rule

if you can finger a girl with 3 fingers, you should do her at your place that night.

Jon: Let's see if the 3 finger rule applies to Stacy.Can i finger you Stacy?
Stacy: Yes Jon.
Jon: Well meet me at my place around 9ish, you passed the 3 finger rule.

by Pat da Baker n' Ian May 6, 2009