"It's just rhetoric but it's still annoying," Coulter told The Hill.
"Our Revolution" will support progressive candidates at all levels of government.
Clinton criticized a recent AP report about the meetings she took with donors.
Trump urged voters to "redeclare American independence" by voting for him.
Trump accused Clinton of being a bigot earlier Wednesday night.
Trump has refused to release his tax returns, citing an IRS audit.
Trump stepped up his rhetoric against Clinton in the fight for minority voters.
Nigel Farage made an appearance with Trump at his Mississippi rally.
Clinton's lead had tightened from earlier this month in the online poll.
The speech had previously been scheduled for Thursday in Colorado.