1)
Josh: The levels of dihydrogen monoxide in our drinking water have recently reached alarming levels.
Noah: Oh
Josh, you're such a loserfish (endearing tone).
2) Noah: Hey
Josh, its Friday night, do you want to come out with me and paint the town red along with some chicks we shall meet at the
bar?
Josh: Nah, I don't feel like, I think I'll just stay home and read my new Encyclopedia of Nietzsche.
Noah: Oh Josh, you're such a loserfish (endearing tone).