look up any word, like blumpkin:
 
2.
When you go up to some douchbag with huge gauges and you take a padlock and lock it through there gauges.
Dude we should go Padlocking at sixflags today!
by Apathetic_Lamp August 21, 2011
 
1.
Verb. The act of inserting one's penis into one's own rectum representing the shape of a padlock in an attempt to derive sexual pleasure.

Upon reaching climax the penis is forcefully ejected from the anus in a manner of an unlocking padlock
Jeremy: Hey man have you got any plans tonight?
Abdul-Khalim: I've got plans. There's a padlock that needs padlocking
by Sir Adam Butchinson II Sr February 03, 2012