What is the stupidest and the most embaring thing you have ever done/said?

my most stupid thing was glueing a googly eye to my forehead (right in the middle) with a glue gun. it was WAY hotter than i tought it would be and ended up burning a perfect little circle in the middle of me forehead and had to walk around with a scab there for a month! i still have a faint mark now (4 months later!)