An exemplary method includes an application event handling system 1) detecting an occurrence of an event initiated by a user and associated with an application configured to be executed by a computing device, 2) determining, in response to the detecting, that another event previously initiated by the user and associated with the application is either already being processed by the computing device or already scheduled for processing by the computing device, 3) directing, in response to the determining, the computing device to ignore the previously initiated event, 4) scheduling, in response to the determining, the event to be processed by the computing device after a delay timer expires, and 5) starting, in response to the scheduling, the delay timer. Corresponding methods and systems are also disclosed.