The phenomenon that men are instantly more attractive when they are wearing formal attire, especially suits. (Based on the character Barney Stinson from the sitcom 'How I Met Your Mother')
Girl 1: Man, that guy is deeeelicious
Girl 2: It's just the Barney Stinson effect!
Girl 1: Is that Tom? Man, he looks waaaay hotter than usual
Girl 2: Duh, he's wearing a suit. It's the Barney Stinson effect
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!