Sad kaomoji are generally used to express sad emotions or unpleasant moods.This is a type of Japanese emoji that consists of various symbols. People can feel a sad emotion through this kaomoji,Tears are the main component of a sad kaomoji. Generally use T or use. ; Show tears. There is also a pout, which is usually a sad mouth with symbols like ︵︿, etc. If you are sad, if you are expressing sadness to someone, you can use these symbols.