Really really good looking internet celebrity and former Myspace whore who attracts a bewildering and underserved amout of attention and gossip from sites such as www.stacicolefan.com
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!