The Big Night
That is from the movie called The Big Night (USA 1951) Teen MMM/M teen, hitting with their hands also on his buttocks, position of bend over, in the presence of some persons. This is a birthday smacking for his seventeenth birthday. English language https://ok.ru/video/9065645083323 and https://vkvideo.ru/video-229942838_456239026?list=ln-EYz4pJGVzDJmMML6iC