Definitions

1. 1. an upset (esp. in sports)
2. 2. unexpected turn of events
3. 3. to pull off a coup
4. 4. a breakthrough
5. 5. erhua variant of 爆冷門|爆冷门

Components

• 爆冷门 bào lěng mén – an upset (esp. in sports)
• 儿 r – non-syllabic diminutive suffix