Greta Thunberg has taken aim at U.S. President Donald Trump by using his own insult against him after his latest crazed outburst. 

Trump has long used Twitter like a barfly 10 beers in, shouting and ranting to no one. During this week’s U.S. election, he baselessly claimed that voter fraud had taken place, “STOP THE COUNT!” being his crazed tweet in question.

As per SBS, famed climate activist Thunberg clearly has a long memory. Late last year, Trump turned his glazed eyes her way, attempting to mock the teenager after she was named Time magazine’s Person of the Year.

“So ridiculous. Greta must work on her Anger Management problem, then go to a good old fashioned movie with a friend! Chill Greta, Chill,” Trump wrote on Twitter at the time.

Thunberg played the long game though. After his unsubtle “STOP THE COUNT!” tweet, Thunberg found her moment to retaliate.

“Donald must work on his Anger Management problem, then go to a good old fashioned movie with a friend! Chill Donald, Chill!” the Swede tweeted.

Just fantastic. What circularity.

Thunberg has always been an outspoken adversary of Trump, particularly for his climate policies.

After Trump’s tweet last year, she briefly changed her Twitter bio to “teen working on her anger management problem.”

His tweet drew wide criticism at the time for sounding patronising and condescending.

When polls opened across the U.S. this week, Thunberg urged her followers on social media to “use their vote well.”

“Today, many of you will have the opportunity to make a choice. Your vote will affect billions of people around the world. You vote will affect countless of generations to come,” she wrote.

“Use it. Use it well. Every election is a climate election.”

There is currently no evidence of widespread voter fraud during the election, despite Mr Trump’s repeated false claims. Twitter has flagged several of his tweets for containing “potentially misleading claims about the election”.

 Check out Greta Thunberg’s full speech at the UN Climate Action Summit:

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