"Tell me you live in Wisconsin without telling me you live in Wisconsin."
Nelson told FOX6 she spotted the cow while drive-through lines were long during the lunchtime rush.
"I seemed to have been the only one freaking out about a cow being in a Buick," she said.
Nelson told the Associated Press she initially thought the calf was fake until its head moved.
Nelson said she was later contacted by the calf's owner and was told there were in fact three calves in the car — two were laying down, out of view — and they had recently been bought at an auction, which she believed to be the Central Wisconsin State Fair.
The new owner possibly had no other way to take the bovine purchases home.
A WHOLE FREAKING COW!!! Tell me you live in Wisconsin without telling me you live in Wisconsin 🤣
Edit to add: McDonald’s drive thru, Marshfield, WI.
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Posted by Jessica R. Nelson on Thursday, August 26, 2021
Nelson said she was "new to the farming thing", having recently married a farmer, and "I'm now convinced I need to drive around with a cow in my car."
Commentators on Nelson's video were as amused by the sight as she was.
"Taking a cow to get a burger? Something is wrong with that," someone wrote.
"Maybe he wanted a shake, hope the shake machines aren't down," another person said.
"Maybe they are bringing in 'fresh' meat? Okay I'm terrible," someone joked.