The phrase "magic fairy" refers to a fictional character that has special powers and can perform magical acts. It is often used to describe something that seems impossible or fantastical. Full definition
The founding fathers did not put in god we trust, under god, or any other stupid magic fairy crap on anything. (religion.blogs.cnn.com)
What's happening to the carbon in the fossil - fuels, does it turn into magic fairy - dust? (blog.hotwhopper.com)
My recipe is completely oil free and has remained vegan, held together only by psyllium seed husk, which is almost like magic fairy dust. (goodnessgraciouskitchen.net)