Laughing Gas (1914 film) squabbling. The dentist arrives, and his first patient goes in, obviously in pain. The dentist prepares the nitrous oxide anaesthesic (also known commonly as "laughing gas" due to its effects prior to and after unconsciousness). With the man unconscious he pulls his tooth, but then he can't get him to wake up. He calls for Charlie and when he arrives the dentist runs off. Charlie tries to wake him and eventually tries hitting his head with a mallet. The man revives but starts laughing. Charlie knocks him out with the mallet. The dentist then returns and Charlie is sent to
Laughing falcon bite. Laughing falcon The laughing falcon ("Herpetotheres cachinnans"), also called the snake hawk (erroneously, since it is not a hawk), is a medium-sized bird of prey in the falcon family (Falconidae), the only member of the genus Herpetotheres. This Neotropical species is a specialist snake-eater. Its common and scientific names both refer to its distinctive voice. Its English name comes from its loud voice, as does the specific name "cachinnans", Latin for "laughing aloud" or "laughing immoderately". The generic name "Herpetotheres" refers to its preferred food; it is Latinized Ancient Greek, derived from "[h]erpeton" (ἑρπετόν, "reptile") + "therizein" (θερίζειν, "to