爆冷門

an upset (esp. in sports) / unexpected turn of events / to pull off a coup / a breakthrough

surname Leng

cold

to explode or burst / to quick fry or quick boil

gate / door / CL:扇[shan4] / gateway / doorway / CL:個|个[ge4] / opening / valve / switch / way to do something / knack / family / house / (religious) sect / school (of thought) / class / category / phylum or division (taxonomy) / classifier for large guns / classifier for lessons, subjects, branches of technology / (suffix) -gate (i.e. scandal; derived from Watergate)

an upset (esp. in sports) / unexpected turn of events / to pull off a coup / a breakthrough

a neglected branch (of arts, science, sports etc) / fig. a complete unknown who wins a competition

erhua variant of 爆冷門|爆冷门[bao4 leng3 men2]