I went camping and borrowed a circus tent by mistake. I didn't notice until I got it set up. People complained because they couldn't see the lake.
What do little birdies see when they get knocked unconscious?
I bought an ant farm. I don't know where I am going to get a tractor that small!
I forgot and left the lighthouse on all night. Next day the sun wouldn't rise.
I bought some instant water one time but I didn't know what to add to it.
I eat swiss cheese. But I only nibble on it. I make the holes bigger.