Alexandria Ocasio-Cortez found herself in a heated Twitter debate with a world-renowned economist earlier today, and it only got worse when she attempted to put him in his place and accidentally called herself “AOCS.”

The economist accused Ocasio-Cortez of being unwilling to build bridges across political divides, to which she responded with a furious tweet saying, “How dare you! Who do you think you’re talking to? AOCS knows what she’s talking about.” Ocasio-Cortez paused, then looked puzzled as if realizing what she had said. “Wait, what did I just say? AOCS? Did I slip up?” she asked aloud.

The economist quickly pounced on her gaffe, posting an equally furious tweet that read, “You think I'm going to take lectures on economics from the likes of A