jocular, humorous term  euphemistic  expression  noun  noun (generic) 

• fly (on trousers), flies, zipper

derogatory  jocular, humorous term  noun  noun (generic) 

• biker gang, group of hot-rodders

colloquial  computing  noun  noun (generic)  Internet slang  jocular, humorous term  interjection 

• null pointer exception (runtime exception in Java)
• nurupo

usually written using kana alone  slang  jocular, humorous term  godan verb  godan verb (archaic)  verb (generic) 

• to fabricate (stories), to make up

colloquial  jocular, humorous term  noun taking the genitive case particle の  adjective (generic) 

• being out of consideration, not being an option

jocular, humorous term  noun  noun (generic) 

• a certain someone, you-know-who

Internet slang  jocular, humorous term  interjection 

• I strongly agree

search-only kanji form  polite language  noun  noun (generic)  jocular, humorous term 

• greeting
• a fine thing to say

colloquial  jocular, humorous term  noun  noun (generic) 

• cockroach

slang  jocular, humorous term  noun  noun (generic) 

• sorry