중꺾마 /jung-kkeok-ma/
What matters is the will that doesn't break
Short for 중요한 건 꺾이지 않는 마음 (the important thing is the mind that doesn't break). A motivational phrase from esports that went mainstream. Similar to 'never give up'.
Examples
힘들어도 중꺾마!
Even when it's hard — what matters is not breaking!