The tweet referenced in the thread was posted by the user @mooon640 and it reads: "Where the hell did that come from π". The tweet was accompanied by a picture of a person wearing a t-shirt with a humorous phrase printed on it. The phrase reads: "I'm here for the snacks, not the conversation". This phrase is often used to describe someone who is attending a social event, but is not really interested in participating in the conversation. The phrase is humorous because it implies that the person is only interested in the food and not the conversation. This tweet and phrase are humorous because it pokes fun at the idea of attending a social event, but not being interested in engaging in meaningful conversation.