The 'I Drink Your Milkshake!' meme originates from the intense climax of the 2007 film There Will Be Blood. Delivered by Daniel Day-Lewis as the ruthless oilman Daniel Plainview, the line is a metaphor for drainage—specifically how Plainview siphoned oil from a rival's land. The sheer theatricality and manic energy of the performance turned the scene into an instant internet classic. It is widely used to describe situations where one person completely dominates, outsmarts, or takes something away from another, making it a favorite for business rivalries, sports victories, and aggressive everyday triumphs.