I mean... I think Zellsis is the perfect example of arrogance lol glad u brought him up
You shouldn't be trash talking if you can't back it up. FNS and Zellsis are two great examples of players who do that. I remember one game when FNS told Loud "you guys are trash!" and then they lost a championship. Trash talking is just a a way to be disrespectful, sometimes it's funny, other times it's just disrespect, specially when ur calling people names.
A good example of fun trashtalking (in that case it's not even talking) is when Boaster stands up and dances like a stupid troll. He's being funny, and making fun of the other team, but not acting like a ranked player.