It is a music genre that has gay porn voices mixed in some real songs. It has been made famous by Twitch streamer called Forsen.
Never EVER show Gachi to your friends or family. They will abandon you.
by Mango331 November 10, 2016
Gachi WAS a monkey who was owned by a small tiktoker (currently by the username @shinsyuna, she could change it anytime.
He died on the 3rd february 2021.
A: Hey, isn't this monkey cute?
B: Omg, is that Gachi the monkey?
by chuucandoit April 13, 2021