Not studying for a test, and narrowly beating your friend who did.
Scratching a mosquito bite.
Turning on HBO and catching Total Recall right at the part with the 3-breasted stripper.
Punching a clown.
Thinking you woke up late, and then discovering you still have over an hour to sleep.
Proving a teacher wrong.
Trading a first round fantasy football draft pick to a friend, then watching him get injured next week. The draft pick, not your friend.
Getting an onion ring with your fries.
When you poop and don't have to wipe.
Finding a 20 in a jacket you haven't worn since last Winter.
Signing up to do charity work. Then, ditching the charity work to have sex with like five chicks. But your girlfriend still thinks you did the charity work.