List: colloquial

gairaigo  Portuguese origin  popular  ateji  rarely used kanji form  usually written using kana alone  noun  noun (generic)  colloquial 

• United Kingdom, UK, Britain, Great Britain
• England

noun  noun (generic)  colloquial 

• ecstasy (emotion)
• (religious) ecstasy
• ecstasy (drug), MDMA

popular  irregular reading  noun  noun (generic)  usually written using kana alone  な adjective  adjective (generic)  colloquial  euphemistic  noun or participle taking the aux. verb する  intransitive verb  abbreviation  prefix  golf 

• H, h
• indecent, lewd, sexy, dirty, obscene
• (having) sex
• pervert
• nth year in the Heisei era (1989.1.8-2019.4.30)
• hour
• hydrogen (H)
• hole

search-only kana form  colloquial  な adjective  adjective (generic)  noun  noun (generic) 

• no good, not allowed, not acceptable
• outtake, blooper, retake

popular  ateji  rarely used kanji form  JLPT N4  usually written using kana alone  noun  noun (generic)  abbreviation  colloquial 

• gas (as a fuel)
• gas (state of matter)
• poison gas
• dense fog, thick fog
• gas stove, gas cooker, gas range
• gasoline, gas, petrol
• flatulence, gas, wind, fart
• gassed yarn

onomatopoeic or mimetic word  adverb  adverb taking the と particle  colloquial  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• croaking (of a frog), ribbit ribbit
• with a robotic-sounding auto-tune effect (of vocals)

な adjective  adjective (generic)  colloquial  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• complete
• completion (of a collection, video game, etc.)

gairaigo  Dutch origin  popular  ateji  rarely used kanji form  JLPT N2  usually written using kana alone  noun  noun (generic)  abbreviation  colloquial 

• gum, rubber
• eraser
• condom

colloquial  noun  noun (generic) 

• sperm, semen, cum

colloquial  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• ignoring (someone), ostracizing, leaving (someone) out