Short for Ponkotsu (ポンコツ) meaning "clumsy", "useless" or "unreliable". Someone is PON when they mess up in a clumsy way. Being PON can also be seen as an endearing trait. It is a slang used in Japanese comedies. Its is also often used by hoolive vtubers.
Similar to pwn, but dates back to a Warcraft guild that turned the word pwn and replaced the w with an o
1. An act of dominating an opponent.
2. Flawless victory. Schooled. Lesson taught. Owned beyond conventional words, and so excited about it
3. Abbreviation for the gaming clan Phalanx of Nod