Country Dictionary

A fork of Rural Dictionary

on9

Vulgar Used in Hong Kong Pronunciation: "on-gau" ("on" in English, "9" in Cantonese) Meaning: stupid, thinking stupid More: on99

Chief Exceutive Mr.Tung: If China is good, Hong Kong will be good. When Hong Kong is good, we are good too. Citizen A: He's on9. Citizen B: He's on99.

by HKboy February 21, 2005

on9

adj. Very stupid or foolish. Pronounced "on gau" (The 9 is pronounced in Cantonese) Cantonese slang used mainly by young Hong Kong Chinese. First originated on the Internet (isn't everything) but soon spread to everyday speech. Originates from two words: The first part "on" comes from "On ghuy" - a cantonese slang word meaning foolish. The second part "9" comes from "gau" - a cantonese slang word meaning penis. Also used as part of the phrase "on9 zai" meaning foolish man/boy.

Dude 1: Wow, that silly mainlander squatting on the pavement looks so damn on9. Dude 2: Shut up, you on9 zai.

by The loch monster August 09, 2006

on9

stupid chinese pronunciation

r u on9?

by urlifehk June 29, 2003

on9

on9 (憨鳩) is a Cantonese swear word which means foolish, stupid and brainless. It is pronounced as 'on' + 'gau'. ('gau' is the Cantonese pronunciation of '9') It is a friendly swear word to laugh, scold or discriminate other ppl. on99 (憨鳩鳩): very foolish on9 zai (憨鳩仔): a foolish guy on lun 7 9 (憨撚柒鳩): extremely stupid, mostly used to scold others when angry on gui (憨居): a less violent way to say on9

Person 1: The guy steps on a piece of shit and slips. Person 2: HAHA, he is really on9.

by ccthz November 22, 2021

on9

It is short term of online Or Feels very happy, short term as on cloud nine Or Word for appreciation, which is upper than 1-9, and greater than them, for appreciating people who done very good advancement

When he on9s, he feel on9, and do a very on9 thing

by PolyMoster April 22, 2022

On9

A slang from Hong Kong which means extremely stupid and dumb

e.g. Ricegum is so on9 that everybody make fun of him

by Nejshhd July 08, 2021