[tsundere ; tsundere](adj-f, n) (1) (See つんつん, でれでれ) being on the surface sharp and sarcastic (tsuntsun) but underneath lovestruck and fawning (deredere); characteristic of a gap between acted out actions and feelings in mind; (2) normally being sharp but at some prompt suddenly becoming lovestruck; hot-cold personality type[Add to Longdo]