A Wisconsin woman left a Dunkin’ coffee in her car overnight and expected nothing more than a cold, stale drink the next morning. Instead, she was horrified by what she found inside the cup.
TikTok creator Kailey (@oh_kayxo) reached for the coffee she had forgotten in her car, only to discover something far more disturbing: a dead baby mouse floating inside. She shared the shocking moment in a viral video that has since gained 1.7 million views.
In the short clip, Kailey says, “Oh my God, there’s a dead mouse in my coffee from yesterday.” Text over the video reads, “Here’s your sign to clean your car and don’t leave any food or drinks in it.”
Viewers React to Mouse Found in Dunkin’ Coffee
While many viewers focused on the cleanliness of Kailey’s car, her experience highlighted a lesser-known winter issue common in cold-weather states: mice entering vehicles to escape the cold.
Responding to a comment that included a humorous reaction photo, Kailey wrote, “I KNOWWWW, but I read they can fit through DIME-SIZED holes and my car was in the garage overnight.”
Another viewer commented, “This is the second video I’ve seen with a dead mouse in coffee.”
One woman even shared a photo of the same thing happening to her. Kailey replied, “OMGGG. Apparently, it’s happened to a lot of people, but everyone’s here calling me nasty and stuff.”
She later posted a follow-up photo of herself, captioned that she was “vibing while TikTok bullies call me dirty.”
Why Mice Get Into Cars Overnight
Mice entering vehicles has little to do with cleanliness and much more to do with seasonal behavior. As temperatures drop across the Midwest and northern states, mice search for warmth and can squeeze through openings as small as a dime. Cars parked outdoors or even inside garages can become unexpected shelters, leading to unpleasant surprises for drivers.
One commenter shared, “It’s easy for a mouse to get in your car. The car dealership told me they like the smell of the fluids and will chew through the wires.”
To reduce the risk, experts suggest sealing garages properly and avoiding leaving food or trash inside vehicles. Parking away from bird feeders and trash cans can also help.
Some drivers use scent-based deterrents, as mice dislike strong smells. Peppermint oil, cayenne pepper, cloves, and cinnamon are commonly recommended. Others suggest Irish Spring soap, dryer sheets, or even ammonia or vinegar.
Honda also offers an anti-rodent engine wiring harness tape, which is available online, and many videos online provide additional tips on keeping mice out of vehicles.
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