bù​jìng'ér​zǒu

to spread like wildfire

不胫而走 不脛而走 bù​jìng'ér​zǒu
to spread like wildfire
to spread rapidly (of news or rumors) or become popular without promotion
to disappear without a trace
to go missing or be stolen unexpectedly (of an object)

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
0.725 per million

Sources