noun:

• sanshin; Okinawan traditional three-stringed instrument; precursor to the shamisen - colloquialism ➜ 三線

noun:

• Cellana toreuma (species of limpet) - colloquialism ➜ 嫁が笠貝

interjection:

• hi; yo - colloquialism ➜ 今日は・っす

expression:

• too late (by a short time); just failed (by a small margin) - colloquialism Antonym: ギリギリセーフ ➜ ぎりぎり・アウト

noun:

• March 3rd; Ear Day - colloquialism

noun:

• Silver Week (any long string of Japanese public holidays other than Golden Week) - colloquialism ➜ ゴールデンウィーク

particle:

• et cetera; etc.; and the like; and so forth - colloquialism ➜ 等【など】

noun:

• madhouse - colloquialism ➜ 精神科病院

auxiliary:

• col. form of deshou - colloquialism ➜ でしょう

noun:

• locomotor ataxia; difficulty walking or speaking (due to alcoholism, a stroke, etc.); someone with this problem - colloquialism - sensitive

noun:

• beat'-em-up game; (one on one) fighting game - abbreviation - colloquialism ➜ 格闘ゲーム

noun:

• masturbation (male) - colloquialism - slang ➜ 千擦り

~の noun / adjectival noun / ~する noun:

• (of a lie, etc.) obvious; transparent - colloquialism ➜ ばれる

noun:

• turtle (esp. a sea turtle)
• turtleneck sweater - abbreviation - colloquialism ➜ タートルネック

noun:

• phase change - Physics term
• state change - IT term
• transformation of characters - includes flattening, petrification, chocolization, etc. - colloquialism

expression / ichidan verb:

• to be on the right track; to be close enough - colloquialism ➜ いい線を行く

expression:

• have to (verb); must (verb) - after negative base of verb - abbreviation - colloquialism ➜ ないと行けない
• is indispensable; absolutely necessary ➜ ないと行けない

noun:

• standing on one's feet for a long time - abbreviation - colloquialism ➜ 立ちっぱなし

noun:

• metabolic syndrome - abbreviation ➜ メタボリックシンドローム

adjectival noun:

• overweight - colloquialism

noun:

• boaster; braggart; bossy person; overbearing person - colloquialism ➜ 威張る

expression:

• g'morning; good morning - colloquialism ➜ お早う【おはよう】・グッドモーニング

expression / adverb:

• brazenly; unabashedly - colloquialism

noun:

• coffee lounge; coffee shop; cafe - abbreviation - colloquialism ➜ 喫茶店

noun:

• prison - colloquialism - abbreviation ➜ 刑務所

noun:

• comics or novels about female homosexuality - colloquialism - From English "girls love"