Donald Trump has a long history of attacking anyone and anything he’s threatened by, be they political opponents or showers and toilets. Typically, those on the receiving end of the president’s abuse have not struck back, whether they’re inanimate objects or living, breathing things, the thinking presumably being that they don’t want to dignify the insults with a response. Michael Bloomberg, however, apparently has no such qualms. The former New York City mayor has launched a campaign that appears to be designed with the express purpose of driving Trump insane first and winning the Democratic nomination second, with the former goal achieved via nonstop ads attacking both the president’s abysmal record and his pant size. And it appears to be working! Of course, any attempt to get under Trump’s skin would be nothing without a strategy to go after him on Twitter, i.e., his den, and Bloomberg has a plan for that too.

And that plan is: fight like the 2020 election is the Second Coming of Mean Girls or the scene in Clueless where Tai savagely tells Cher, “You’re a virgin who can’t drive,” an almost unfathomable burn from which there is no recovering. The most recent installment of said plan kicked off this morning, when the leader of the free world retweeted an edited image of Bloomberg shrunk down to half his height and told his followers: “Mini Mike Bloomberg is a LOSER who has money but can’t debate and has zero presence, you will see. He reminds me of a tiny version of Jeb ‘Low Energy’ Bush, but Jeb has more political skill and has treated the Black community much better than Mini!” He continued: “Mini Mike is a 5’4” mass of dead energy who does not want to be on the debate stage with these professional politicians. No boxes please. He hates Crazy Bernie and will, with enough money, possibly stop him. Bernie’s people will go nuts!”

Some politicians wouldn’t elevate these screaming banshee comments with a reply. Bloomberg, on the other hand, happily rolled up his sleeves to spar:

That sound you hear is the proverbial audience murmuring, “Oh, shit,” or perhaps even a “damn, girl.” As his longtime rival, Bloomberg knows exactly how to push Trump’s already-overstretched buttons, hitting not only on how he made his money—by inheriting it—but also his reputation as a terrible businessman, which obviously hurts given the image the former real estate developer has attempted to sell to the masses. To then toss in a “behind your back they laugh at you” when Trump has a documented history of being unable to cope with his peers mocking him, and a reference to being worth approximately 17 times as much as the guy? Those are fighting words.

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