The act saying the saying or doing random things in a manner almost similar to Tourette syndrome, but when your friends say "What?", you deny ever saying or doing anything.
"HeeehHaaaghhh".
*Pauses music* "Huh?"
"What"
"Stop donkeyeaterin me babe"
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!