Term referring to the 10 commandments
The 11th commandment being : Thou shall not be a homo.
Some examples are :
1. 10 guy sleepovers
2. Touching yourself with another guy present
3. Raving in front of the mirror with other guys
4. Sucking lollipops in public. Period.
5. Being a homo in general
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!