= dead chibi smiley. used to show that one is dead. or embarrassed. or in trouble. yeah, you get the picture.
= Letters forming a face that has "x" eyes. This is often used in animes and some cartoons, in which a character's eyes turn into "x"'s signifying embarassment, fright, shock, or little hope.
E un emoticon ( faţă galbenă de pe mess) care isi pune mainile la ochi -"Don't want to see"
X_X = I don't want to see...sursa: http://messenger.yahoo.com/features/emoticons/