Republican Sen. Susan Collins of Maine shared how she really feels about Rep. Blake Farenthold on Tuesday.

Just one thing: Her comments about the Texas Republican were picked up by a hot microphone and posted to the official Senate website.

"He's huge," she said following a subcommittee meeting Tuesday morning. "He's so unattractive. It's unbelievable."

The audio clip first appeared on the Senate's website Tuesday afternoon. In it, the Washington Post reports, Collins is speaking with Sen. Jack Reed, D-Rhode Island. Shortly after reporters began spreading Collins' remarks, the file became inaccessible. Then a new version was posted without the senator's comments.

However, Huffington Post producer JM Rieger was able to secure the clip.

MALE SENATOR on FARENTHOLD: "You could beat the shit out of him."

SUSAN COLLINS: "He's huge ... he's so unattractive, it's unbelievable."

— JM Rieger (@RiegerReport) July 25, 2017

In a Monday interview with a Texas radio station, Farenthold slammed Collins and other "female senators from the Northeast" for holding up an Obamacare repeal. Farenthold added, "If it was a guy from south Texas, I might ask him to step outside and settle this Aaron Burr-style."

Collins referenced the challenge after Tuesday's meeting.

Texas Republican U.S. Rep. Blake Farenthold

"Did you see the one who challenged me to a duel?" she asked Reed.

"You know why he challenged you to a duel?" Reed responded. "Because you could beat the s--- out of him."

Collins then references a widely spread photo of Farenthold wearing duck pajamas and standing next to a woman wearing lingerie.

"Did you see the picture of him in his pajamas next to this bunny?"

Follow Sean Rossman on Twitter: @SeanRossman