Top Definition
The smallest knuckle on you hand. The one you pinky is attached to. If you don't have a pinky knuckle your knucklet you next knuckle in ascending order from your pinky to your thumb
I was moving mattresses today and I got a blister on my knucklet.
by arandomname July 30, 2013

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×