A character in the hit anime/manga series, InuYasha, by Rumiko Takahashi. This demon controls man-eating wolves. He has shards of the Jewel in his right arm and feet. He uses Kagome in his battle with the gokurakucho. He falls in love with Kagome at first sight, and makes enough passes at her to anger Inuyasha.

Koga's name means "Steel Fang."

Alternate spelling: Kouga
"Because he 'has a tiny heart,' says Sota, Inuyasha is green with jealousy of Koga, who makes repeated passes at Kagome."
by Chika July 21, 2005
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A unique variation of relaxation exercises that control the movement of a central tension point throughout the body. Once initiated, the tension point must be passed along through the body in a specific manner as to not cause pain or harm. As defined by me.
Daily Koga exercises help relax the sole and mind.
by KSS August 20, 2005
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The second largest being on the planet, only bested by the wordcpoc/word. Known to throw wild fits of depression and 'Riots of the Soda.'
In Africa, there are many kogas.
by SHOH February 18, 2003
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A rainbow ninja from ancient Japan that was largely responsible for the Koga clan's defeat at the hands of the Inga primarily because of his girly fighting style.
1. Man, that dude just got knocked the eff out! He's a regular Ryota Koga!
2. Look at that Ryota Koga over there dressed in drag and prancing around like a runway model.
by Gonzo the Great 78 May 29, 2016
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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!!!
by JimmyJohnYiff October 23, 2019
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The couple name of Konstantin and Agatha. Like Brangelina or Kimye.
A: Wanna meet Koga tonight?
B: Yeah fo sure
by TomTurbo111 October 30, 2017
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