The act of sticking your index finger into your anus, getting poop on finger, and digging your fingernail into your friends cheek leaving the poop in the hole.
Guy 1: Dude, did you hear what happened to Brad at the camp?
Guy 2: Yeah, I heard Sean gave him a Captain's hook!
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!