Sarcastic 
:S 
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Popularity 
★ ★ ★ ★ ★   Popular 
Direction 
Horizontal (tilted 90° left) 
 
Added 
May 27, 2013 
 
Description:  The "S" represents a joking smile and may also be short for "sarcastic."  It is used to express sarcasm and may be used after a sarcastic or joking comment that should not be taken seriously. 
:-7 
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Popularity 
★ ★ ★ ★ ☆   Common 
Direction 
Horizontal (tilted 90° left) 
 
Added 
2007 
 
Description:  Represents a tongue-in-check expression. Can be used after a sarcastic comment, since it can be hard to convey sarcasm in a text message. 
;s 
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Popularity 
★ ★ ★ ★ ☆   Common 
Direction 
Horizontal (tilted 90° left) 
 
Added 
August 7, 2009 
 
Description:  The "s" may represent a playful smile or may simply stand for "sarcastic."  The winking eye implies the person is joking. 
^o) 
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Popularity 
★ ★ ★ ☆ ☆   Average 
Direction 
Horizontal (tilted 90° left) 
 
Added 
2007 
 
Description:  The ^ represents a raised eyebrow.  Can be used after making a sarcastic comment. 
Smiley Shortcut in:  
MSN Messenger  
 
Emoticon Information from PC.net