The "That's Disgusting. Where?" meme originates from the Season 8 episode of the sitcom "It's Always Sunny in Philadelphia," titled "The Reynolds-Deena Wedding." In the scene, Mac (played by Rob McElhenney) expresses intense moral outrage when Dennis tells him about a website featuring nude photos of a woman they know, only to immediately and repeatedly ask for the specific URL under the guise of "avoiding" it. The meme is a staple of internet culture used to mock people who pretend to be offended by something while secretly harboring a deep curiosity or desire for it. It perfectly captures the spirit of performative outrage and the irony of wanting to see the very thing one claims to find "disgusting."