Level 5 Special Taunt Share a good natured laugh with everyone except that one guy you just shot.
Science tells us that laughter is the best medicine. Put that theory to the test with the Schadenfreude taunt pack, now available in the Mann Co. Store, which gives all nine classes the ability to laugh at a corpse and see if it gets any better.
— The TF2 Team
The Schadenfreude is an action item for all classes. Upon activation, the player will take joy in the suffering of their enemies for several seconds by laughing at them.