My son’s preschool teacher has told me this one. One day, it was story time, and all the kids were sitting in a circle on the reading rug. She was reading them a book about animals, and the sounds each one makes. An owl comes up, and none of them know it, so she says, “It’s an owl, and it makes the sound ’Whooo! Whoooo.’”
This is when one of the kids decided to share, “Oh! My mom makes that noise when Mom and Dad are having private time in their room!” © SheWhoComesFirst / Reddit