He’s such a stupid ding-a-long,what does the sentence mean?
The sentence "He’s such a stupid ding-a-long" is an informal and somewhat playful way of calling someone foolish or silly. The term "ding-a-long" is not a standard English word, but it seems to be a made-up or colloquial term that combines "ding" (which can imply a lack of intelligence) with a playful suffix. The word "stupid" reinforces the idea that the person is being described as not very smart. Overall, the sentence is a lighthearted insult suggesting that the person is acting in a foolish or unintelligent manner.