Mrs. Allen Quotes in Frindle
Then when Nick went to preschool, he learned that if he wanted his teacher and the other kids to understand him, he had to use the word music. But gwagala meant that nice sound to Nick, because Nick said so. Who says gwagala means music? "You do, Nicholas."
"Well," said Nick, "The funny thing is, even though I invented it, it's not my word anymore. Frindle belongs to everyone now, and I guess everyone will figure out what happens together."