I dropped my napkin!
A lie you tell when your butt lets out a fart that could be heard in another state.
At the family reunion, my cousin shouted, 'I dropped my napkin!' after his fart made the baby scream.
During the movie, my brother said, 'I dropped my napkin!' when he farted so loud the popcorn flew.
My dad said, 'I dropped my napkin!' when his fart made the whole restaurant laugh.