What does bobs your unlce mean?

"Bobs your uncle" is a British colloquialism often used to suggest that something is easy or straightforward to achieve. It implies that once you follow the simple steps provided, the desired outcome will happen without any complications. The phrase is often used in a lighthearted manner to emphasize simplicity or to conclude instructions. Its exact origin is unclear, but it has been in use since the early 20th century.