Talking about the size of his "shvantz in a presidential debate": Stephen Colbert calls out Donald Trump over his penis boast "Why would a guy with a small penis put his name in giant letters at the top of a skyscraper?" Colbert said

"Late Show" host Stephen Colbert didn't let the fact that he didn't have a show Friday night stop him from talking about Trump's performance during Thursday night's GOP debate, in which the frontrunner made explicit reference to the size of his penis.

"Why would a guy with a small penis put his name in giant letters at the top of a skyscraper?" Colbert began.

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"This man is talking about the size of his shvantz in a presidential debate," he continued. "This is someone who could have his finger on the button -- and, God, I hope it's his finger."

"The people have the right to know the size of your executive branch," he added. "So I'm calling on you to release the long form — or the short form, no judgment."

Watch the full segment below:

