Kissing.

[SpiralLateralus]

I don't kiss. I heard it can get a girl pregnant.

[Azheron]

I don't kiss. I heard it can get a girl pregnant.

That's what condoms are for :/

[freelight]

Orcs? Straight up mauling.

I can't imagine orcs expressing affection any other way.

And undead shouldn't ever kiss. Ever.

They certaunly shouldn't, but Forsaken are interesting in this regard. They no longer have the capacity for real emotion and, being dead, their bodies have neither the desire nor capacity to physically express affection. Still, they have memories of their former lives and many have vivid memories of family, love, and everything else they've lost. Some, I'm sure, still feel a longing for it. A memory of the emotions and sensations without the capacity to feel it anymore. Some might cling to that memory and go mad to the point of trying to recreate it. In this light, I could envision a pair of Forsaken kissing, especially if they had been lovers in life; though they would take no actual pleasure in it. That is assuming they both still have jaws. At any rate, a Forsaken trying to hold onto memories of feelings he/she no longer is capable of is plausable.

[Piroska]

I never understand why people persist in believing that the Forsaken have no emotion. This isn't true at all. To quote the article on the Forsaken (emphasis added):

Although most of the race is evil, the Forsaken cannot be thought of in purely dualistic terms entirely. Although undead, the Forsaken are still inherently human, the majority of whom were victims of the plague spread by Kel'Thuzad. Thus some of the Forsaken are still good beings, if no longer living. As the above suggests, some individuals among them are capable of a tragic form of nobility, in that they do not allow their inability to obtain redemption to prevent them from trying.

Those that try often leave the Forsaken, seeing its flaws, and join other causes. These Forsaken rebel against their race, seeking a better way to end the Lich King's reign or search for a way to reclaim their lost humanity, while others work to reform it from within, such as Roberick Dartfall.

Furthermore, there are numerous quests that deal with Forsaken emotions. We encounter quests to find loved ones, to place mementos on their graves, as well as quests to kill others out of jealousy or rage for betrayal. Sylvanas alone has experienced hatred, a desire to save others, even intense sadness when given The Lady's Necklace, a token of affection given to her by her sister many years ago.

If these aren't human emotions, I don't know what are.

Quests that come to mind?

• Until Death Do Us Part: Forsaken woman is enraged that her husband left her and her children behind to fight in the Third War.
  
• A Score to Settle: A high executor wants someone killed for insulting his queen and killing his men; he exhibits fiendish glee once his revenge is complete.
  
• The Prodigal Lich Returns: The final quest of a series. A Forsaken fears that he is the only one to have broken free of the Lich King's control. He shows relief when he is proved wrong and joy at finding a lost friend.
  
• Augustus' Receipt Book: Forsaken is ridiculously pleased when an item is returned to him (though he is considered a bit unbalanced).
  
• The Enemy's Legacy: A scribe fears that valuable knowledge will be destroyed along with their enemies.
  
• Dragonmaw Shinbones: Questgiver attempts to make a joke at quest's completion and is disappointed when she gets no laughter in return.
  
• A Husband's Revenge: Requests that you kill his wife's murderer and bring back his hands.
  
• What's in That Brew? An apothecary appears to be embarrassed by the quest's completion and doesn't want his intellectual rival to know.

And that's just what I pulled from a random sampling from WoWWiki.

I will concede, however, that the Forsaken do overwhelmingly seem to suffer from madness. They're mostly unbalanced, which appears to be especially common of those who were recently released or who retain very detailed memories of their former lives and their servitude to the Scourge. Others appear to have compensated by disassociating themselves from these memories.

However, I don't think that this should indicate that they don't experience any emotion at all. There are just too many anecdotes that prove to the contrary.

[TeroSNS]

I don't kiss. I heard it can get a girl pregnant.

That's what condoms are for :/

tongue condoms?

[Azheron]

I don't kiss. I heard it can get a girl pregnant.

That's what condoms are for :/

tongue condoms?

Yes. Those.

[TeroSNS]

Ummm yeah... I have had unprotected kissing for... over 3 years! she can get pregnant any moment!
*Shivers*

[Harmonic]

I think this topic has run it's course.