Bill Maher not only got a laugh out of Republican flip-flopping during President Barack Obama’s administration on Friday, but he shared a new word for it with his Real Time panelists.

“It should be in the dictionary: ‘Black-track,’” Maher explained, defining it as, “The act of changing one’s mind because President Obama has agreed with you. See also: ‘Pulling a one-hatey,’ or the ‘Kenyan boomerang.’”