In a series of tweets before dawn Monday, he called Streep, who has more Academy Award nominations than any other actor in history, "one of the most overrated actresses in Hollywood."
"She is a Hillary flunky who lost big," Trump said.
At the Golden Globes on Sunday night, Streep used an acceptance speech for a lifetime achievement award to take Trump to task. Without naming him, she spoke out against disrespect and violence, and called for the protection of journalists.