𝕏, The Social Network Formerly Known As Twitter, before being purchased by Elongated Muskrat, in reference to Ƭ̵̬̊, TAFKAP, The Artist Formerly Known As Prince.
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!