Meaning: The quote "He is so old that his blood type was discontinued" is a humorous and clever observation made by the American comedian Bill Dana. The quote is a witty play on the concept of blood types and aging, using hyperbole to suggest that the individual in question is incredibly old. Bill Dana, born William Szathmary, was a popular comedian and comedy writer known for his character Jose Jimenez and for his contributions to various television shows and comedy routines.

The quote itself is an example of a type of humor known as exaggeration or hyperbole, which involves making a statement that is obviously not true in a literal sense but is used for comedic effect. In this case, the idea that someone's blood type could be discontinued is absurd and impossible, but it serves as a humorous way to emphasize just how old the person is being described.

The humor in the quote also derives from the fact that blood types are generally seen as a fixed and unchanging aspect of a person's biological makeup. By suggesting that someone's blood type could be discontinued due to their advanced age, the quote subverts this idea and plays on the common understanding of blood types as a fundamental and unchangeable aspect of a person's identity.

In addition to the comedic value of the quote, it also reflects the universal experience of aging and the common tendency to use humor as a way of coping with the realities of getting older. Aging is a natural process that affects everyone, and humor can be a powerful tool for addressing the inevitable changes and challenges that come with growing older.

Furthermore, the quote can also be seen as a commentary on the rapid pace of advancements in medical science and technology. In today's world, medical research and innovation have led to the discovery of numerous blood types and advancements in blood transfusion technology. The idea that a blood type could be discontinued due to age humorously exaggerates the notion of progress and change in the field of medicine.

Overall, Bill Dana's quote "He is so old that his blood type was discontinued" is a clever and humorous observation that uses exaggeration and wordplay to playfully address the concept of aging. Through this quote, Dana showcases his comedic talent and ability to find humor in everyday experiences, making it a memorable and relatable expression of the universal experience of growing older.