1 definition by grenciae

Top Definition
1: 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
そうやって俺のことを気にしつつ、しかし素直になりきれない、そのツンデレtsundereさが今若い男の間で大ブーム!
by grenciae December 21, 2008

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