Sentence:  By the time Felix turned up it was early afternoon , which , one would think , would be late enough so that by then , except for small children and a few hardy souls who had not yet sobered up , it could have been expected that people would no longer be having any sort of active interest in the previous night 's <WSD>noisemakers</WSD> and paper hats . 
Meaning of the word marked with <WSD> tags:  a device (such as a clapper or bell or horn) used to make a loud noise at a celebration