凸とつ待まち

noun

waiting for a call on livestream

Internet slang used by streamers who are waiting for viewers to call in, often via voice chat or similar interactive features.

• 今こん夜やは凸とつ待まち配はい信しんをする予よ定ていです。

  I plan to do a call-waiting stream tonight.

noun

waiting for an assault from another party

Internet slang, often used in gaming contexts where a player or group is expecting an attack from another party.

• 敵てきの凸とつ待まちをして迎むかえ撃うつ作さく戦せんだ。

  It's a strategy of waiting for the enemy's assault and then counterattacking.