Trump Jr. eventually muttered, “Right?” and then glanced off to the side of the stage.
“Now, I do comedy professionally, so let me explain,” Colbert said. “That is what we in the business call ‘not doing comedy professionally.’ You know you really nailed the punchline when you look off into the distance to see if help is coming.”
Colbert then did his own impression of Trump Jr. flailing on stage, down to the “Right?”:
See more in his Monday night monologue here: