also: ドキュソ
dumb-ass; person lacking common sense
Derogatory internet slang for someone who is clueless, ignorant, or lacks basic knowledge. Often used on forums and social media.
delinquent; violent person; rough-looking person
Slang for someone who looks or acts like a thug or delinquent. Can refer to appearance or behavior.
I got hassled by some thugs on a dark street at night and it was scary.
That post is totally from a dumb-ass.
He causes trouble with his clueless behavior.
There were some rough-looking guys hanging out in the park at night, and it was scary.
I just asked a simple question and got treated like an idiot.
That hairstyle looks kind of thuggish, doesn't it.
不良 is a neutral, standard word for a juvenile delinquent, while ＤＱＮ is slangy internet shorthand with a strongly derogatory tone.
Since DQN refers to a person, it's normally counted with 人.
Standard slang spelling; derived from a TV show segment.
Kana spelling; common in casual writing.
Irregular kana variant; it has irregular kana usage.
Originated from a 1990s Japanese TV show segment where the host referred to a participant as 'DQN' (ドキュン), an onomatopoeic representation of a gunshot sound, implying the person was brainless. The term spread on the internet as derogatory slang.