Why this thing got so many name for it in english one ah???? 
Toilet, Wash Room, Rest Room, Loo, and this one W.C 
Specially this W.C, we know is toilet too but how many of you know what is it mean???
I eat until this old also don't know what does it mean until I search it from Google baru I know.
It mean "Water Closet"..... So now you know yah... next time you ask your friend what is W.C mean. Sure some people say is "Wash Cabinet" or "Wash Cubical" one.....