The 'It's a Trap!' meme originates from the 1983 film Star Wars: Episode VI – Return of the Jedi, where the character Admiral Ackbar realizes the Rebel Alliance is falling into a Galactic Empire ambush during the Battle of Endor. This specific line delivery became an early internet phenomenon in the 2000s, spreading across forums like Something Awful and 4chan as a universal reaction to bait. Today, it is widely used to signal suspicion, alert others to deceptive online links, or humorously acknowledge a situation that is obviously a setup.