I started a topic like this a few years ago that eventually died out. It's been fun going back to it and finding the ones I wrote:
Morning of September 11, Superman oversleeps.
Tried to write six word story. Failed.
He was already dead, I think.
Liars... M&Ms melted in my hand.
The other vowels cast Y out.
"Stirred, not shaken," Agent 700 said.
Lawyer after death: "Quite warm here."
I missed the apple on purpose.
"Look, flying pigs," said President Palin.
He thought he outran the bullet.
The bomb didn't go off. Wait...
I wanted to burn the photograph.
I only wanted to scare him.
Mars Rover: "Found something. Send help."
AIDS cured -- f***ing in the streets.
Los Angeles falls into ocean. Disaster?
Toilet paper for sale, slightly used.
Love waved goodbye. I wasn't ready.
Rabbit pulls hat out of himself.
Don't worry, I have an iPhone.
Lightning strikes Zeus. "Who did that?"
I fell. He didn't catch me.
Love returned. I barely recognized it.
Clock strikes midnight, everything ends. Or...?
Hang on, I've got an idea.
I pushed the "don't push" button.
Insanity followed sanity. Or did it?
I opened the door. Now what?
The surprise was all too expected.
The vampire stared at his reflection.
"You're perfectly sane," the penguin said.
Obesity epidemic: clouds falling to ground.
Tropical depression identified. Doctor prescribes Prozac.
After contemplation, God reboots human race.
"Thank God we both survived. Bill?"
Checkmate. King sues. Wants a recount.
Square peg, round hole: Just married.
He had already committed suicide once.
Machines conquer world. An improvement, honestly.
He performed his disappearing trick. Once.
When he woke up, nothing remained.