What was Hillary Clinton's most popular tweet?

When President Obama gave his unequivocal endorsement of Hillary Clinton Thursday, infamous tweeter and presumptive Republican nominee Donald Trump took to his favorite social media platform to weigh in:

Clinton responded with a blistering salvo, in the form of a long-running trope drawn from the depths of Twitter's political circles.

According to Twitter, Clinton's clapback drew an overwhelming response. It was retweeted over 404,000 times to date, becoming her most retweeted message on the platform yet.

Trump, however, didn't think it was very clever. He issued his own scathing Twitter reply that drew on Clinton's classified email controversy:

Democratic Sen. Elizabeth Warren, who recently endorsed and met privately with Clinton, offered up her own attack of Trump, "seriously" calling on him to purge his Twitter presence:

The "delete your account" tweet has a history with political media types, and it's shown up before this primary season.

Back in February, when former Florida Gov. Jeb Bush tweeted out a photo of a gun, engraved with his name and captioned with the word" America," NSA whistleblower Edward Snowden snarked that he should delete his account:

When CBS News' own Will Rahn tweeted this in response to Clinton's tweet...

...ex-Rep. and former New York mayoral candidate Anthony Weiner, who weathered two sexting scandals spawned on Twitter, tweeted back with his own viral message: