What are some examples of 'two second horror stories'?

One possible ending could be a sudden loud noise that startles the reader. For example, 'The door creaked open slowly, and just as I peered into the darkness, a deafening screech filled the air.'

In some hide two second horror stories, the ending could be a realization that the threat was much closer than expected. After the two seconds of hiding, the protagonist discovers that the source of horror, like a menacing entity, was right inside the hiding place with them all along. They only notice when it's too late as it reveals itself in a terrifying way.

One example could be 'In the old attic, I found a doll. Its eyes followed me. Then it smiled.' Another might be 'Walking alone at night, a hand grabbed my ankle from the sewer grate.'

One example could be 'I woke up in the middle of the night. There was a figure at the foot of my bed. When I blinked, it disappeared.' Another is 'Walking in the old attic, I heard a child's giggle. I was alone.'

One example could be 'I woke up to find a cold hand on my shoulder. I live alone.' Another is 'The old doll in the attic blinked. It was facing the wall before.'

I woke up to a strange noise. When I looked under the bed, I saw a pair of eyes staring back at me.

Here's another: 'I saw my reflection smile at me. I wasn't smiling.'

One example could be 'I heard a scratching at my window. When I opened the curtain, there was a faceless figure.' Another is 'The old house was silent. Then I saw a pair of glowing eyes in the dark corner.'

I heard a baby crying in the attic. I live in an apartment. This is funny horror as it quickly sets up a spooky and illogical situation.

Sure. Here's one: You wake up in the middle of the night. For a split second, you see a figure at the foot of your bed. Then it vanishes. Another could be: You're alone in the house. The power goes out. In two seconds, you hear a strange scratching noise at the door.