Some more late-night tweeting from GOP front-runner Donald Trump, this time directed at former NBC anchor and current CNN analyst David Gregory:

Gregory left NBC in 2014.

Gregory joins Trump’s list of other foes who he says have been “fired like a dog,” whatever that means. Can you actually fire a dog?

Erick Erickson (which isn’t true by the way):

Cruz’s former comms guy Rick Tyler:

Glenn Beck:

And Erick again:

This prediction on Chuck Todd’s fate has yet to come true:

From the archives:

And what is it with Trump and his “like a dog” comparison?

Trump even uses “like a dog” for dating advice:

FWIW, Pattinson and Stewart did call it quits, but he’s not having much luck with his new fiancé, FKW Twigs. Time to drop her like a dog, too?

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Related:

Twitchy coverage of David Gregory