It's rude to pick your teeth at the table.
John is eating with his family at a local barbecue restaurant when he feels corn stuck between his teeth.
John wants to remove the food from his teeth.
John excuses himself to the restroom where he uses a toothpick to remove the food from between his teeth.
John uses his finger to pick at the corn between his teeth until he dislodges it.
John is relieved and enjoys the rest of the evening at the restaurant.
John feels embarrassed after receiving disapproving glares from his family and other diners for his rude table manners.