A sickness effecting those of the vegan lifestyle. Symptoms include Flu-like symptoms, meat-withdrawal, and overall irritability. Severe symptoms include being a whiney wimp and the lack of protein leads to not having a backbone.
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!