The 'Thinking Quickly, Dave Constructs A Homemade Megaphone' meme originates from the 2004 Disney Channel animated series Dave the Barbarian. In the episode 'Sweep Dreams,' the narrator humorously describes Dave building a 'homemade' megaphone using string, a squirrel, and an actual megaphone. This moment became an internet sensation due to its peak absurdity and redundant logic, perfectly parodying the DIY trope where characters create complex solutions using everyday items. On the internet, it is widely used to mock situations where someone overcomplicates a simple task or presents a solution that already requires the very thing they are trying to create. It is a staple for highlighting redundant engineering, circular logic, and the sheer silliness of early 2000s animation.