"She's down for a jack move. She'd never really been sure what Donny had meant when he'd say that; he said it when he was angry, or frustrated, and she's both. Jack moves. Context, with Donny, seemed to indicate that these were either deliberate but extremely lateral, thus taking the competition or opponent by surprise. Maybe it had to be improvisational and completely of the moment. East Lansing Zen."
January 1, 1970
https://en.wikiquote.org/wiki/Blue_Ant_trilogy