"Blockheads" is a term often used to describe individuals who are perceived as stubborn or slow to understand. It can refer to people who resist new ideas or refuse to change their opinions, often leading to frustration in discussions or debates. The term is sometimes used humorously to describe someone who is simply not paying attention. In popular culture, "Blockheads" can also refer to characters in various media, such as cartoons or video games. For example, in the game Minecraft, players can create blocky characters and structures, which may evoke the idea of "blockheads" in a playful context.