The feud betweenMeghan McCainandDonald Trumpis no secret, but a recent exchange indicates that things have escalated.

After Trump called her a “lowlife,” McCain thanked the former president for his harsh words.

However, despite all of that McCain isn’t about to let Trump have the last word.

Meghan McCain smiling

“Thanks for the publicity boomer,” she wrote onTwitteralong with a link to her book.

Her tweet was a response to Trump’s recent statement accusing the author and her father,Sen.

John McCain, of a variety of perceived slights and calls Meghan a “lowlife,” perThe Hill.

Donald Trump in front of a microphone

“They had no God-damn business being there and it’s something that still angers me, clearly.”

“Trump didn’t apologize, but he said the reporting [about what he said] was wrong.

I just stayed quiet and listened to him talk,” she wrote (viaPeople).

We love your dad!'"

“And now he was telling me that I shouldn’t be mad about it.

He wouldn’t change his tactics, either.