noun
Super Chat
A YouTube live-streaming feature that lets viewers pay to highlight their messages. Often abbreviated as スパチャ.
See also: スパチャ
配信中にスーパーチャットを送って応援した。
I sent a Super Chat during the stream to show my support.
Common abbreviation of スーパーチャット, used casually among viewers and streamers.
From English 'Super Chat', a branded feature name for YouTube live streams.