While creating plans for themselves, Frasier and Niles are surprised that their father has invited them to grab a beer with him at Duke's. They ask several questions to confirm that he is inviting them.
Rufio uses adjectives to insult Peter Pan at the dinner table in front of the other Lost Boys. After some time, Peter Pan stands up for himself and replies with his own, creative insults. This is an excellent example of how powerful adjectives can be in language.