Common Japanese words and phrases

These words and phrases are in R&#333;maji which is transliteration of Japanese characters into Roman letters for easier recognition and pronunciation... Items in orange are just alternate Romaji spelling.
 * Daijōbu (Daijoubu) (?) - (I'm) okay/(are you) okay?
 * Daisuki - love you lots
 * Doki doki - heart pounding, exciting
 * Dōshite? (Doushite?) - why? what's the reason for?
 * Fuwa fuwa - fluffy
 * Genki (?; 元気) - (I'm) in good health; in good spirits/(are you) healthy? in good spirits?
 * Goshujinsama - lord, master, husband; used to address male customers at a maid cafe
 * Heiki (?; 平気) - (I'm) calm; psychologically good/(are you) calm and cool? psychologically good?
 * Himitsu - a secret
 * Itai - ouch! (usually "itai!")
 * Imōto (Imouto) /Otōto (Otouto) - younger sister/brother (when talking about them to other people, usually)
 * Jōdan - I'm joking, just kidding (usually "jōdan jōdan")
 * Kaichō (Kaichou) - president, chairperson
 * Kakkoii - cool!
 * Kawaii - adorable, cute, pretty
 * Kira kira - sparkly, sparkling, pretty
 * Kōhai (Kouhai) - junior; younger colleague
 * Kuso - shit, crap, fuck (usually "kuso!")
 * Nīsan (Niisan) /Nēsan (Neesan) - brother/sister (close or same age)
 * Nani? - what? what's that?
 * Onīsan (Oniisan) /Onēsan (Oneesan) - older brother/sister; can also be used for older male/female strangers
 * Onsen - hot springs
 * Sakura - cherry blossoms
 * Seifuku - school uniform; technically sailor type school uniform (aka sailor fuku)
 * Seitokai - student council
 * Senpai - senior; older colleague
 * Shiranai - I don't know
 * Sugoi/Sugei - amazing, awesome, great (most common/boys)
 * Suki - love, like (usually "suki desu", but meaning depends on context)
 * Tomodachi - friend
 * Umi - sea, ocean (often "umi da!" for: Oh the sea!)
 * Ureshī (Ureshii) - happy, makes me happy
 * Wakaranai - I don't understand
 * Yakusoku - a promise
 * Yuki - snow
 * Yume - dream


 * Less common
 * Bijin - beauty (technically gender neutral, but mostly used with women)
 * Gakuran - western school uniform (seifuku is a subset)
 * Kanchō (Kanchou) - butt poking (very strange)
 * Shushō (Shuhou) - captain (like of a ship)
 * Umibe - beach
 * Yūki (Yuuki) - courage