두뇌풀가동

‘두뇌풀가동’ means “using one’s brain’s full capacity.” This meme originated from a TV show where a female singer, Chae Yeon, had to solve a simple math question to avoid a penalty in a game. The question was “2+2 x 2 =” and the right answer was 6. However, Chae Yeon chose 8 and lost the…