Laura Ingraham attempted to make fun of Rep. Alexandria Ocasio-Cortez (D-N.Y.) on Twitter for her grammar, but it didn’t end well for the Fox News personality.

The exchange culminated with Ocasio-Cortez calling the widely watched conservative network’s prime-time host, who has a history of peddling white nationalist talking points on her show, “a neo-Nazi fan favorite.”

It began when Ocasio-Cortez explained why she blocks some accounts on Twitter: