noun
Slangy, casual term for an elder sister or a young woman; derived from 姉ちゃん. Used in very informal settings, often by young people.
See also: 姉ちゃん
あのチャンネー、めっちゃかわいくない？
That girl is super cute, isn't she?
うちのチャンネー
My big sister started lecturing me again.