As the presidential election comes down to the wire, it seems as if Americans are grasping at anything to cope with the deluge of vitriol emerging from an increasingly bitter campaign.

Sometimes, all they can do is tweet.

The candidates, Donald J. Trump and Hillary Clinton, have had two debates so far, and Twitter has become the forum for three notable threads, fueled by audio leaked last week of Mr. Trump’s lewd comments from 2005 and a phrase he uttered during a debate on Sunday night.

‘Tweet me your first assaults’

One prominent Twitter thread, jump-started by Kelly Oxford, a Canadian novelist and screenwriter on Friday, began on Friday, shortly after The Washington Post scooped NBC and reported on the recording of Mr. Trump making vulgar comments about women, including a remark about grabbing their genitals.