"Mr. President, I know you're proud of your ratings, but how do I say this?" the "Late Show" host said in the segment (above). "It's not normally a good thing to compare yourself to 9/11. You know that, right?"
Trump got more negative press earlier that day for bragging to the Associated Press that his appearance on CBS' "Face the Nation" gave the program the highest ratings "since the World Trade Center came down."
Colbert put on his best Trump impression to joke, "My first hundred days have been huge. Titanic, OK? We're blowin' up, OK? Bigger than anything since Nagasaki. That's how big."
"Late Show" ratings have been on the rise since Colbert focused on Trump jokes after the election, and the comedian didn't forget that. "Donald Trump has done a lot for me in the first 100 days. Thank you for your service, Mr. President," Colbert said.
"He did sign a law making it easier for mentally ill people to buy guns, and for hibernating bears to be hunted," the late-night host said. "Took care of his base: insane people who want to murder Yogi."