adjective:

• rustic; unsophisticated; provincial; hick; uncool; unstylish - slang ➜ 田舎臭い

noun / ~する noun:

• egosearching; egosurfing; self-googling - slang - abbreviation ➜ エゴサーチ

noun:

• food porn; intensive appetite stimulation - slang

expression / noun:

• state of extreme rage - female language - slang ➜ プンプン・おこ・激【げき】

noun:

• profuse sweating - slang

noun:

• voice chat - abbreviation - slang ➜ ボイスチャット

noun:

• driving school - abbreviation - slang ➜ 自動車学校

noun:

• Korean - slang - derogatory term ➜ チョン

adjectival noun:

• delicious-looking; tasty-looking ➜ 美味しい【おいしい】
• hot; sexy; desirable - slang

noun:

• beautiful - slang

noun / ~する noun:

• spending unreasonably on in-game purchases - slang

noun:

• belly of a pregnant woman - slang ➜ ボテボテ

expression:

• not completely unthinkable; possible, but not at all likely - abbr. of 微粒子レベルで存在している - slang

~の noun:

• scariest; most frightening - slang

noun:

• secret account; hidden account (e.g. online service) - slang

expression / noun / ~する noun:

• being instagrammable; looking good on Instagram - slang ➜ 映える【はえる】

adjectival noun:

• instagenic; visually appealing if posted on Instagram - slang ➜ インスタ映え

noun:

• ideal man (as a romantic partner); eligible bachelor - slang - From English "super darling"

expression / noun:

• video game in which the player is likely to die frequently - slang ➜ ゲー

noun:

• person in the online community who seeks to identify others from the information they post online, or who tries to identify places and objects that appear in comics or games - derogatory term - slang

adjective:

• current; hip; trendy; fashionable; stylish - slang - obsolete term ➜ ナウい

noun:

• regular respondent to a periodical or radio program - slang

noun:

• Girls' Day; Dolls' Festival; Hinamatsuri ➜ ひな祭り【ひなまつり】
• menstrual day; menstrual period - slang

noun:

• gloomy person - from 陰気なキャラ - slang ➜ キャラ

noun:

• agalactia; lactation failure - Medicine term
• flat chest; absence of breasts - slang