Smiley
Using ASCII characters to represent a face or emotion. Smileys
are ususlly used in email messages or in chat.
Some basic examples:
:-) is a smile
:-( is a frown
:-P has a lolling tongue
;-) is winking
B-) or 8-) has sunglasses
:-o surprise
...there are a lot of possibilities, people are very good at interpreting pictures as faces. See Ascii Art, maybe Electronic communications, Emote, or Emoticon.