> Part of the purpose of sarcasm is to inject humor. No, the purpose of sarcasm (and what distinguishes it from mere irony is having this purpose) is to mock o

> Part of the purpose of sarcasm is to inject humor. No, the purpose of sarcasm (and what distinguishes it from mere irony is having this purpose) is to mock or inflict emotional pain. It may involve humor (irony, which sarcasm is a specific use of, is often, but not always, humorous), but that is not the purpose of sarcasm.