The term comes from a Lenny Bruce routine about African-American men ("Their wangs look like a baby's arm with an apple in its fist" as immortalized in his book _How to Talk Dirty and Influence People_), but this exact wording is taken from The Tubes' song "What Do You Want From Life", from their first album.
Since not everyone gets the reference, the term typically is used as an in-joke.
What Carrie really wants is a baby's arm holding an apple.
An extremely large penis. A dick that when fully erect can exceed the length of 9 inches and up. The length is not the only impressive feature, but these large penises also have a significant girth that can weigh up to 3/4 pounds when at full blood capacity. Men who are blessed with such a large cock oftentimes are unaware of their impressive appendage and are sometimes surprised to learn that many women are often afraid of its size in their young adulthood because of massive size that can cause insecurity during sexual encounters due to their inability to handle such a gigantic pecker. This special men later find that only a special woman with the right skills of handling an incredible dick without crying about the pain of intercourse or provoking an unattractive gag reflex during fellatio. Women all over the world who are lucky enough to get a special man to be their husbands all understand why their huge dicks are often described as; “like a baby’s arm holding an apple”
“Gurl…. You wouldn’t believe me if I told you how huge Mr. W’s dick is….let’s just say that it’s like a baby’s arm holding an apple”
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.