What is babys arm holding an apple?

"Babys arm holding an apple" is a popular cocktail that consists of equal parts of apple brandy and green Chartreuse liqueur with a splash of lemon juice. It originated in the 20th century and was named after a suggestive joke about a baby's arm holding an apple. The cocktail is typically served in a chilled glass and garnished with a slice of green apple or lemon peel. It has a strong herbal flavor from the Chartreuse and a sweet, fruity taste from the apple brandy. The drink is considered a classic and is often found on cocktail menus at high-end bars and restaurants.