noun:

• 750cc motorcycle - slang

expression / adjective:

• not good; bad - incorrect conjugation of 良い - slang - humorous term ➜ 良い

noun:

• home tutor; private tutor; coach - abbreviation - slang ➜ 家庭教師

noun:

• inconsistently, horribly drawn animated film or cartoon; animated cartoon episode of lower picture quality than other episodes in the same series - slang

godan ~る verb:

• to try to make a favourable impression; to appeal - slang ➜ アピール

noun:

• pubic hair - slang - vulgar ➜ 陰毛

godan ~る verb:

• to have your party wiped out (in the RPG Shin Megami Tensei: Nocturne) - slang

noun:

• horny drunkard - derogatory term - slang

godan ~る verb:

• to reload (gun, web page, etc.) - slang

noun:

• readme - slang - IT term

noun / ~する noun:

• install - slang - IT term

noun:

• cat - internet slang - slang ➜ 猫【ねこ】

noun:

• cat food - slang
• dish of leftovers on rice

noun:

• waiting (e.g. at the stage door) for performers or celebrities to arrive - slang ➜ 出待ち

noun:

• waiting (e.g. at the stage door) for performers or celebrities to exit - slang ➜ 入り待ち

noun:

• pubic hair (on a male) - vulgar - slang

noun / ~する noun:

• dropping off-line to eat - slang

noun:

• singer - obscure term - From German "Singer"
• geisha - slang term used by students prior to World War II - obsolete term - slang

interjection:

• Happy Birthday - abbreviation - slang ➜ ハッピーバースデー

auxiliary:

• please do (for me) - after the -te form of a verb, punning form of ちょうだい - slang - humorous term

noun:

• young men who are not competitive as in the traditional male stereotype, including in the avid pursuit of money and sex, and who may also be kind, co-operative and family-oriented - abbreviation ➜ 草食系男子
• men who pretend they aren't interested in women; spineless males; men with no balls - abbreviation - slang

noun:

• prairie; steppe; pampas
• laughter; LOL - slang ➜ 草【くさ】・ｗ【わら】

adjective:

• dear (old); fondly-remembered; beloved; missed; nostalgic - abbreviation - slang ➜ 懐かしい【なつかしい】

noun:

• underboob; bottom of a woman's breasts (visible when wearing a short top) - slang ➜ オッパイ

noun:

• sideboob; (visible) side of a woman's breast - slang ➜ オッパイ