"Merry Christmas! Shitter was full!" The Griswolds are no stranger to shenanigans, but with extended family in town for the holidays, there are even more adventures to follow. Remember the iconic scene with cousin Eddie emptying the RV toilet into the Griswolds sewage system with this 11 oz heat sensitive mug.

• Officially licensed color changing, heat-sensitive Morphing Mugs® heat-sensitive mug 
  
• Appears black at room temperature; hot liquid reveals the hidden image 
  
• The listing is for the purchase of one (1) ceramic mug 
  
• Holds approximately 11 fluid ounces
• Made in the USA with imported parts 

Morphing Mugs® Heat-Sensitive Mugs
Morphing Mugs Heat-Sensitive Mugs appear to be black at room temperature. When you pour your favorite hot liquid into the drinkware, watch as the hidden image magically appears! While this mug may be used in the dishwasher or microwave, for the longest-lasting and highest quality product, we highly recommend against it.

NATIONAL LAMPOON'S CHRISTMAS VACATION and all related characters and elements © & ™ Warner Bros. Entertainment Inc. (s18)