The line comes from Superbad, the 2007 teen comedy starring Jonah Hill as Seth. In the convenience store scene, the underage friends improvise badly while trying to buy alcohol, and Seth's calm request for a liter of cola became the standout joke. The quote spread through early YouTube compilations, Vine edits and reaction memes, turning into shorthand for demanding something oversized with total confidence. Nearly two decades later it still pops up in TikTok food videos and Discord soundboards whenever someone orders like they own the place.