Twitch emote of an anime girl waving. Usually used in place of a greeting or saying goodbye. Instead of saying "hello" or "goodbye"; you can use KonCha.
Twitchuser enters chat.
TwitchUser: KonCha
Streamer: Kon cha
by Fancy Walrus June 01, 2018
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Japanese Slang / informal greeting in daytime: Hi, Hey
A short form of "konnichiwa".
Emma: This is my roommate Mika. She is from Japan.
Mika: Koncha~ nice to meet you!
by Real_kristinana January 30, 2018
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The word ‘koncha’ essentially means it’s risky.

It’s root word is controversial.
*someone says something a bit risky*
‘Oof, that was a bit koncha’

*you’re going somewhere a bit dangerous, eerie and it seems a bit dodge
‘Oof looks a bit koncha’
by bentablongers July 18, 2019
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