While waiting for gen-voc room to be opened…
Jevon : [suddenly exclaimed] Cha-chaam-boo!!!
Teacher : What is cha-chaam-boo??
Jevon : Jackie Chan!!
Teacher : You like Jackie Chan?
Jevon : bǎobèi jìhuà !!
Teacher : What is it?
Jevon : Cha-chaam-boo!!!
Overheard @ Gen Voc int-advance class by TreZ
Haha