What is Sous?
1.
Smiley Over-Usage Syndrome.
Commonly seen among teenagers trying to add emotion to their chats, e-mails, etc. The disease is also common among pedophiles and stalkers trying to make their alter-ego seem more realistic. It is very easily contracted, even via the internet, and has become an epidemic throughout sites such as
"Haha :D I totally know ^_^ XD :P"
"You need to get tested for SOUS."
"I know D: ;( :O o_O"
See