Stephen Colbert has spent nearly four years cracking jokes concerning one of the most bizarre and unverified allegations about former President Donald Trump. But the steady stream of quips on the subject of the infamous “Pee Pee Tape” might be over with a single “Late Show” crack on Monday night:

Then again, maybe the flow of jokes on the subject isn’t quite over yet. 

“We’ll see,” Colbert said after the jingle. 

An unverified dossier by former British spy Christopher Steele alleged that Trump paid Russian sex workers to urinate on a bed in a Moscow hotel room that was once used by former President Barack Obama and then-first lady Michelle Obama ― and that the incident was taped by Russian agents. 

In…