Funny Coffee Mug Gag Gifts for Guys Men Adult Humor Heat Changing Have a Nice Day Middle Finger Mug Inappropriate White Elephant Gifts

Discover the perfect gag gift with our Funny Coffee Mug, designed specifically for adults with a sense of humor. This unique heat sensitive mug reveals a cheeky middle finger when filled with a hot beverage above 158°F (70°C). Ideal for friends or coworkers, it guarantees a laugh with every use!Please Note: This mug is not suitable for dishwasher or microwave use and should only be hand washed.Specifications:• Capacity: 11 oz• Height: 3.7”• Diameter: 3.15”