SENDS UP is a term that can be used to describe three different activities. The first is SPOOFS, which is when someone imitates something or someone in a humorous way. SATIRIZES is the second activity, which involves using humor, irony, exaggeration, or ridicule to expose and criticize people's stupidity or vices. Lastly, MOCKS is the third activity, which is when someone ridicules or makes fun of someone or something. All three activities involve making fun of something or someone in some way.