口爆

kǒubào
(slang) to ejaculate inside sb's mouth

CEDICT

slang

Entry Composition

1 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls
2 爆 bào
  1. to explode or burst
  2. to quick fry or quick boil