expendable - Not essential, able to be used up or sacrificed without significant loss, easily replaced or not necessary for long-term use.
The workers didn't feel any sense of job security, and they felt expendable, because they were fired whenever the demand for the factory work slowed down.
spoof - A humorous imitation of something, typically a film or a particular genre of film, in which its characteristic features are exaggerated for comic effect
During the 2016 election season, Kate McKinnon would act in a spoof where she portrayed Hillary Clinton.
hysteria - A state of extreme excitement, fear or anger in which a person, or a group of people, loses control of their emotions and starts to cry, laugh, etc.
There was almost mass hysteria when the band played their final song and some in the crowd rushed towards the stage.