noun, noun or participle which takes 'suru'
calling someone during one's own livestream
Internet slang. Refers to the streamer initiating a call to a viewer or another streamer during their own broadcast, as opposed to viewers calling in (凸待ち).
See also: 凸待ち
配信中に視聴者に逆凸したら、すごく盛り上がった。
When I called a viewer during my stream, it got really exciting.
逆凸は凸待ちの逆で、配信者から電話をかけることだ。
逆凸 is the opposite of 凸待ち, meaning the streamer makes the call.