Coined by famous short black king streamer Kai Cenat. Also used by lgbtq+ streamer yourragegaming.
It is a version of Gangy, to refer to someone as a close friend, similar to Gangatron, Gangalanch is a step above towards true gangy perfection.
Kai Cenat: That's fucked up gangatron
Yourrage: Absolutely true Gangalanch.
Kai Cenat: Yo word, indeedgangy BruceDropemoff: You okay Gangalanch?
A Ganguli is a Person who is really lovely and outstanding, but keeps her real emotions hidden..he/she is the center of the friend group and makes everyone feel happy...