"What's more," snapped the Lorax. (His dander was up.) "Let me say a few words about Gluppity-Glupp. Your machinery chugs on, day and night without stop making Gluppity-Glupp. Also Schloppity-Schlopp. And what do you do with this leftover foo?... I'll show you. You dirty old Once-ler man, you!"