You know what really hurts my years? As a child, and even now? Airplane toilet flushes. I always wish there were a 20 second delay so I could hit it, wash my hands and run out of the bathroom.
Agreed. Luckily there is a small delay between pushing the button and it actually flushing. I usually press the button and then cover my ears until it stops again.
Except the button is probably covered in other peoples' pee so I wouldn't touch my ears without washing hands.
Hold a piece of toilet paper to flush, then drop it when bringing hands to ears.