A portmanteau of the words internet and
etiquette that refers to any of many unwritten rules of conduct within an internet community that are generally, but not limited to being, no different than etiquette in the real world. Totally depends on the kind of community though as
netiquette differs within communities for gaming, forum, YouTube, etc. Noun.
Player 1(Noob): "Ok guys, good luck and have a good game!"
Player 2: "I'm gonna make you my
baby-back beezy Noob!"
Player 1(Noob): "Oh my gosh, that's so mean!"
Player 2: "Looks like someone's not used to Halo
netiquette."
Mike: "Jack, I went all in and this fool just took out my pocket Aces with his
pocket Kings and he says 'Sorry about that bro?'"
Jack: "Relax, that's just good poker netiquette."