The activity involves consuming alcoholic beverages based on specific occurrences or lines of dialogue within episodes of the television sitcom, How I Met Your Mother. For instance, a player might drink whenever a character says “legen…wait for it…dary!”, or when a flashback sequence begins. Rules vary depending on player preference and tolerance levels.
Such activities provide a structured, interactive way to engage with a television program. They transform passive viewing into active participation, often fostering a sense of community amongst participants. While the origins of these types of games are difficult to pinpoint, their prevalence reflects a broader trend of audience engagement and social viewing.