A moment when a random person (usually Koga) spouts any type of information that has no meaning or is in no way connected to the topic currently being discussed. This phenomena is usually accompanied by speaking Japanese, a language in which no one on the server understands or cares to understand.
Hunter: The weather here in Canada is Terrible.
Zach: Really? Isn't snow cool?
Kanga: Snow is pretty awesome here, I wish it happened more
Koga: マツ(み)? I ジに
Kanga: ...
Zach: ...
Hunter: ...
Ethan: KOGA MOMENT!!!