Meaning:
“出” means “to come out of,” and “圈” means “a coterie.” A term often used by fans, “coming out of a certain coterie” refers to the scenario where an incident or an idol formerly known by a small group of fans suddenly goes viral and becomes known by the general public. Therefore, the term means “becoming a household name.”
Example:
A: 最近有什么节目好看？
Zuìjìn yǒu shénme jiēmù hǎokàn？
Is there any show that you can recommend now?
B: 爱奇艺《乐队的夏天》还不错。
àiqíyì 《yuèduì de xiàtiān 》hái búcuò。
“The Big Band” on iQiyi is not bad.
A: 这个节目很火啊，听说有个黑马叫”九连真人”，现在出圈了。
Zhè ge jiémù hěn huǒ a，tīngshuō yǒuge hēimǎ jiào “jiǔlián zhēnrén”，xiànzài chūquān le。
That one is really popular. I’ve heard a band by the name Jiulian Zhenren became a dark horse and it’s already a household name.