noun
waiting for performers to exit; stage-door waiting
Slang used in fan culture for waiting at a venue exit to see celebrities or performers leave. Often contrasted with 入り待ち (waiting for them to arrive).
See also: 入り待ち
コンサートの後、ファンが会場の外で出待ちをしていた。
After the concert, fans were waiting outside the venue for the performers to come out.
出待ちはマナーを守って静かに行いましょう。
When doing stage-door waiting, please be quiet and follow proper etiquette.