Donald Trump. Spencer Platt /Getty Images Real-estate mogul Donald Trump went on a Twitter tear on Friday after a Republican presidential rival, Carly Fiorina, taunted him on Facebook the day before.

Fiorina's social-media note started by referencing last Tuesday's debate, in which Trump told her to stop interrupting the other candidates.

"Donald, sorry, I've got to interrupt again," she wrote, proceeding to blast him for attacking another rival, Ben Carson.

During an epic, 95-minute Thursday-night speech, Trump repeatedly accused Carson of having a "pathological temper" comparable to supposedly incurable child molesters.

But Fiorina, the former Hewlett-Packard CEO, shot back that it was Trump who had pathological issues:

There are a few things to unpack there:

Fiorina's "Putin" reference was presumably about Trump's "60 Minutes" interview that aired side by side with the Russian president's own interview.

Trump frequently touts his education at Wharton, the University of Pennsylvania's business school.

And the "self-funded campaign" jab was an apparent reference to criticism that Trump's campaign has received for downplaying its millions of dollars in donations.

On Friday afternoon, Trump launched a multipronged response on Twitter.

First, he reminded her that he also complained about Gov. John Kasich's (R-Ohio) debate interruptions:

Then he asked if she would apologize for the Wharton shot:

Then he asked if she would apologize for saying he has a pathological problem of his own:

Trump fired off another tweet about her Putin jab:

And he accused Fiorina of only going after him to reignite her "failing campaign":