X means kiss. One vertical half of x represents one person's lips pointed towards the other. The other half represents that of the other. The O is a representation of a hug or embrace. Two people locked-in a tight seem configured in a letter O, especially the arms. Hope this helps.

"x" means kiss "o" means hug http://en.wikipedia.org/wiki/Hugs_and_Kisses <-- more information

It's a symbol for 'hugs and kisses'. Like ;) or :(

from what I understand, it means hugs and kisses... I hope that answer helps you.

Yes, Harregarre and the rest of these people are right. From what I know, it does mean "hugs and kisses". It used to confuse me, too.