A name used in pure anger to insult the pigs in Angry Birds that smirk at you when you fail to kill them. Best used in a slightly cutesy voice, as to amuse anyone within hearing distance.
"DAMN IT, I've played this level ten times and I just can't get that one fucking nigglet pigglet!"
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!