A person who is so intelligent, calculating, and aware that it makes them dangerous.
They don’t need fists—they use strategy, manipulation, wit, or silence. The kind of smart that makes you nervous. The kind of person you don’t want against you.
“Shayla Wilde changed the world by being braingerous—outsmarting the government, turning survival into strategy, and building an empire they never saw coming.”
“Don’t cross her. She’s braingerous. That smile’s just the warning shot.”
“He didn’t raise his voice. He raised the stakes. Braingerous as hell.”
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)