Megadaddy is a man with great sense of nologe that is until he is fucking with someone and throws them around usually into a wall or other objects but megadaddy has a great sense of sucking my cock
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!