A greeting made by a vtuber with an illness that makes her eat tarantulas and scorpions.

the thing that you don’t have when you’re phones percentage is over 20

Haachama Chama means crazy or messed up. It originally was a nickname for a certain vtuber. Then was later recognized universally as crazy. If you are Haachama Chama you are crazy/messed up. If you try to translate Haachama Chama you will get crazy or messed up. はちゃまちゃま〜