Top Definition
The amount of force applied while masturbating, controlled by the radius of the space in your fist while jacking off.
"I wish I had of raised my faperture last night when I came home drunk and alone from the bar. Now I have severe road rash on my dick."
by Soreanus June 05, 2013

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.