Tiffany's "Wanton Wench" T-Shirt, since Tiff can't read Peonie translated the words to she would take on any man. Tiffany then thinks it is a fighting t-shirt. Even Faden was impressed.
The Hurricane of Puns that resulted from the were-bear attack, and the King's Guard's response (the guy bitch slapped a werebear).
The King sucker punching Tiffany...well she had just done so to him and tried to claim it was sign of respect among her people. The King was just showing Tiff how much he respected her back. This one even Tiffany thought was Actually Pretty Funny
Virtually everything Faden says, but most hilariously his "translation" of Tiffany's name.
"OK, let's review: It's up to the fair young maiden to rescue the dragon from the fire breathing knights in shining armor. When the hell did the universe get turned inside out?"