On MSN, it's the code to display the smiley with lips. Basically, it means kiss...
Jamesarnold
Thank you, I couldn't find it. Except for a thousand. But I knew that wasn't it. More than 10 years later, it still comes in handy!
pluton.
K for kiss, there you go, with Solis's response, everything is said :) -- Every time we produce an effect, we create an enemy. We must remain mediocre to be popular. O.Wilde