look up any word, like cunt:
 
1.
The art of creeping. It can apply to Facebook, or life in general. This goes beyond your common, every day kind of creeping. It is creeping...to the max.
Sarah- "I met that guy ten minutes ago at a party and he just requested me as a friend on Facebook."
Amy- "So?"
Sarah- "I didn't even tell him my name......"
Amy- "Woah that's some major creepery."
by Kikipania May 01, 2010
 
2.
When a creeper is creeped out by what he/she does.

This is different than creepy which is when the victim feels creeped out.
Guy: I can't believe I have a lock of her hair. Creepery!
by creepery August 12, 2013