President Trump has reached a new low with a viciously sexist personal attack directed at MSNBC's Morning Joe's female host Mika Brzezinski.

SEE ALSO: Trump’s Tech Week did not make America great

But this time he got the dressing-down he deserved -- with a swinging shot hitting just below the belt.

During the habitual early morning tweetstorm,Complete Series Archives Trump lashed out at Brzezinski and her co-host Joe Scarborough with a frankly astonishing (even for him) sequence:

But Brzezinski was having none of it, and calmly but surely hit back with a not-so-veiled reference to Trump's teeny-tiny hands (and consequently his teeny-tiny penis):

If this is not a *giant* mic drop, we don't know what is...

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In a statement, an MSNBC spokesperson responded to Trump's tweets saying: "It's a sad day for America when the president spends his time bullying, lying and spewing petty personal attacks instead of doing his job."

Mark Kornblau, the head of PR for NBC News and MSNBC, also chipped in, saying:

Meanwhile, the blowback against Trump's latest rant is growing, even from his own party.

Lindsey Graham (R-South Carolina) said the president's tweet was "beneath the office" and represents "what is wrong with American politics, not the greatness of America":

Another Republican, Lynn Jenkins, who serve U.S. Representative for Kansas's 2nd congressional district, said:

Republican Senator Ben Sasse, from the state of Nebraska, is basically begging Trump to stop being such a tool on Twitter:

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