adverb:

• suddenly; abruptly - colloquialism
• slowly; leisurely; deliberately - original meaning

noun:

• rikishi of the lowest rank - colloquialism ➜ 力士
• underling

noun:

• shotgun wedding - euph. - colloquialism ➜ おめでた

noun:

• backyard
• background
• room in a store or restaurant not open to customers (often storage room) - colloquialism

noun:

• friend - colloquialism - abbreviation ➜ 友達

expression:

• one of one's hobbies - colloquialism

ichidan verb / intransitive verb:

• to be effeminate; to be a fop
• to break into a smile; to grin - colloquialism ➜ にやにや

noun / ~する noun:

• searching for a marriage partner; marriage hunting; activities leading to marriage, e.g. dating, courtship, etc. - colloquialism - abbreviation ➜ 結婚活動

ichidan verb / transitive:

• to put to sleep
• to kill - colloquialism
• to leave unused

godan ~す verb / transitive:

• to put to sleep ➜ 眠らせる
• to kill - colloquialism ➜ 眠らせる

noun:

• wee-wee; pee-pee; number one - colloquialism ➜ おしっこ

~する noun:

• to urinate

noun:

• drawstring; drawstrings - colloquialism ➜ ドローストリング

noun:

• woman's fine rear-end; good ass; nice derriere; girl who looks great from behind - colloquialism - From English "back" or German "schön"

expression:

• klutzy; clumsy - colloquialism

noun:

• my family - abbreviation - colloquialism - female language

noun:

• good-for-nothing man (as a partner); no-hoper - manga name, from だめ and メンズ - colloquialism ➜ メンズ・駄目

noun:

• corner; nook; recess - colloquialism

noun:

• nipple - from 乳首 - colloquialism ➜ 乳首【ちくび】

expression / godan ~く verb:

• to write down - contraction of 書いておく - colloquialism

noun:

• dinner; evening meal - colloquialism ➜ 晩御飯

noun:

• inconsequential (fictional) character; worthless character; mook - colloquialism

noun / adjectival noun:

• vulva (child) - colloquialism - female language

adjectival noun / adverb / ~の noun:

• crusty; flaky; dried out - onomatopoeia - colloquialism

noun:

• car painted with anime characters; painful car (because some people consider it painful to look at) [literal] - colloquialism - humorous term ➜ オタ車・ヲタ車
• Italian car; European car ［イタ車］ - original meaning - abbreviation

noun:

• otaku car (painted with anime characters, loaded with figures and stuffed dolls, etc.) - colloquialism ➜ オタク・ヲタ車・痛車