The two constant blends of "tr" and "dr" can sound very similar to one another. Shock and Kid Lucky beat box and rap together to switch between "tr" and "dr" in words with the same endings.
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.