I’m certain that’s his nickname from his days battling Corn Pop at the community recreation center
The timing of Psaki's time off comes as Biden has faced criticism for remaining on vacation as the Taliban seize control of much of Afghanistan, even moving into the capital city of Kabul and seizing the presidential palace at a pace that has caught the White House off guard.
https://www.foxnews.com/politics/jen-psaki-out-of-office-as-biden-remains-silent-on-taliban-takeover-of-afghanistan