John Legere. Donald Trump. Two self-styled loudmouths in suits. Who would win in an epic Twitter battle?

We're finding out literally as I type this: the titans of industry are throwing shade at each other, apparently after Legere — the firebrand CEO of T-Mobile USA, who is staying at a Trump hotel in New York City — complained about a drummer on the street outside his hotel room. Shortly after, Legere praised Trump's customer service, seemingly after hotel staff got the street drummer to move.

Trump, looking to pick a fight, countered that T-Mobile's service "is terrible," and that he doesn't "want it in his buildings." Legere immediately responded that he was checking out of the hotel. Snap.

.@realDonaldTrump I will serve all customers in the USA openly but I will obviously leave your hotel right away based on this. #checkingout — John Legere (@JohnLegere) April 12, 2015

And there you have it. My guess is that Trump is uninvited from Legere's Christmas party.

By the way, John, if you need a place to crash tonight, I got you.