Summary
This quote is a humorous way of expressing self-deprecation and a lack of pride in one's family background. By saying that they are "the sap" in their family tree, the individual is likely suggesting that they are the least successful or least accomplished member of their ancestry. The use of the word "sap" adds a touch of playfulness, implying that they have naively or foolishly come to this realization. Overall, the quote reflects a lighthearted acknowledgement of one's position within their family lineage.