What's the difference between Bird flu and swine flu?
For one you get tweetment, for the other you get oinkment.
Bird Versus Swine Flu
Explanation
Explain Bear
Alright, listen up, you knucklehead. You're the type of guy who still uses Internet Explorer. This joke uses a wordplay, get it? It's like they mixed 'treatment' with 'tweet' and 'oinkment', because birds tweet and pigs oink. It's not that hard, come on!