Greta Thunberg is not one to mess with when it comes to social media.

Whether it's using Donald Trump's own quips against him, trolling her haters on her 18th birthday, or even Rickrolling her followers on April Fool's Day - Thunberg has proved time and time again that she is the unexpected 'Queen of Twitter'.

And the 18-year-old climate activist is at it again, and this time, it is UK Prime Minister Boris Johnson who is her latest target.

Per The Independent, Johnson was giving an address at a virtual summit on Thursday, April 22 - Earth Day - when he all of a sudden started to talk about bunnies.

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In an apparent attempt to highlight the ongoing climate crisis as something that should be taken seriously, Johnson said:

"It’s vital for all of us to show that this is not all about some expensive politically correct green act of bunny hugging or however you want to put it, there’s nothing wrong with bunny hugging, you know what I’m driving at."

Johnson's rabbit talk came on the same day President Biden pledged to cut the US' greenhouse gas emissions by 50-52%.

Now, The Independent reports that the UK government did, in fact, announce ambitious plans to cut carbon emissions by 78% by 2035 - but this goal was sadly lost in all the bunny talk.

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For example, businesswoman and TV personality Deborah Meaden said: "Best watch this curled up behind the sofa....it is truly cringeworthy. the most important issue we face today and he stumbles through ridiculous out of step bunny Hugging comments FGS (you could replace the G with an F...)".

But within the slew of criticism Johnson faced from his critics on social media, it was Greta Thunberg that had perhaps the best response.

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Shortly after Johnson made his bumbling comments, Thunberg had changed her Twitter bio to simply read: "Bunny hugger".

On a more serious note, the teenage activist scorned US lawmakers at a House of Representatives committee hearing hosted by President Biden on Thursday.

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Speaking via video link, the 18-year-old asked: "How long do you honestly believe people in power like you will get away with it?"

She added: "How long do you think you can continue ignoring the climate crisis, the global aspect of equity and historic emissions without being held accountable?

"You get away with it now, but sooner or later people are going to realize what you have been doing all this time."

Featured image credit: Entertainment Pictures / Alamy

Greta Thunberg is 'Queen of Twitter' once again following Boris Johnson's 'bunny hugger' comments