Related to the rules for calling shotgun is the five-second rule, referring to the foods that fall on the ground or chair-claiming rules at parties and not the obsolete ice dancing rule or estimating the distance of a lightning strike. "The five second rule is sometimes called the three-second rule, seven-second rule, 10-second rule, or the 15-second rule, to some extent depending on locale, the quality of the food involved or the intoxication level of the individual quoting the rule." See also cooties: "Other than avoiding those with the fictional disease, there are a variety of ways to cure or prevent cooties. A 'cootie shot' can be administered in a variety of ways. The most common is to draw two circles and two dots with a finger on one's arm, while saying the rhyme 'Circle circle, dot dot, now you have a Cootie shot.'"
