Those who care about the feelings of others need not apply.
Start by adding comments like “Oh, really?” or “I never would have guessed!” after someone says something incredibly obvious. If the person does not realize that you are being sarcastic, continue making them explain whatever they have just told you while you listen with rapt attention.
Never give people a straight answer. If someone asks you how you feel after you broke your leg, for example, say something along the lines of “I feel spiffing! The doctors think that by next week I’ll be back on my feet and taming lions in no time!” The use of outdated language and over-the-top enthusiasm will ensure people that you are being completely sincere and are not at all insulting them.
Talk in a dead tone of voice. Never put any emphasis on a word unless issuing a direct insult. For example, “You wouldn’t believe how excited I am!” should be said in a flat voice, while “I can’t believe how interesting you are!” should have emphasis, so that even those with the thickest of skulls will realize that you are mocking them.
In the event of someone telling you that sarcasm is the lowest form of wit, tell them that stupidity is the highest form of entertainment.
Tell people absolutely random shit. End the sentence with, “What do you think?” For example, if someone asks about the weather, reply with something along the lines of “It may be cloudy now, but I sense that a giant tornado will come and carry us to Oz where we may frolic in the sun with members of the lollipop guild. It’s going to rain, what do you think?”
Always use sarcasm in the presence of authority figures. This includes teachers, parents, bosses, and the police. For example, when asked if you were the one involved in hit and run case, reply with “No, of course it wasn’t me! His brains were all over my car, there was a positive ID on my license plate, and four witnesses saw me drive away, but it couldn’t have been me! I’m sure it was just someone who I happened to have all the above things in common with.”
Once you have mastered the art of sarcasm, use it on a daily basis. Eventually, you will become so good at it that no one will ever be able to tell whether or not you’re being serious. For example, when your friend asks you about the game last night, and you reply that it was very exciting, your friend will roll your eyes and tell you not to be so goddamn sarcastic. What they won’t know is that you actually were excited about the game, and that you are just such a master that they’ll never know what you’re truly thinking.