I have one, except for it's not real life it's just a scary story lol
So one time a person came over to babysit this little girl, and the little girl said 'can you go down to the basement and get me some ice cream?' The babysitter said sure, and while they were in the basement, they saw this clown out the window. The babysitter hurried back upstairs, but then the little girl said 'I want CHOCOLATE ice cream'. So then the babysitter went down and got some, and sure enough, the clown was still out the window, but the clown had a knife. The babysitter, not wanting to scare the little girl, ran back upstairs. Then the little girl pouted and said 'I want chocolate ice cream with SPRINKELES'. The babysitter went downstairs for a finaly time, and again the clown was there out the window, except for this time, the knife was bloody. When the little girls parents got home, the babysitter told the parents what happened. The parents looked at them, confused and said 'we dont have windows in the basement, we have mirrors'.