'Slurring and incoherent': Trump ridiculed for multiple verbal slip-ups at Wisconsin rally

Donald Trump gave a rally on Saturday in which he made multiple verbal slip ups that left online observers scratching their heads.

Trump spoke at an indoor rally in Prairie du Chien, Wisconsin, where at one point he called Vice President Kamala Harris "a mentally disabled person." At another point in the rally, Trump said most people don't know what phone apps are, leading to widespread mockery.

But Trump also had several misfires at the event, opening himself up for even more mockery on social media.

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At one point in the rally, Trump refers to a "disgusting illegal alien who was let into the United States by Kamala and her lax law."

"She, they, they every one of my killer -- we had the grea--, she would have, he would have, he would've never been able to get in. She stopped every single one of them," Trump then added.

This led German journalist Annika Brockschmidt to say, "

At another point in the event, Trump begins to tell one story, but is distracted by a fly buzzing on stage. He blames illegal immigration for the fly's presence, and then says "unaque" instead of "unique."

Republican accountability group American Bridge 21st Century said, "Trump is exhausted and struggling to stay on track."

"He begins a story about a hat, but gets distracted by a fly and never finishes. He starts a entirely new story and struggles with the word 'unique,'" the group then added.

Trump also accidentally refers to the city of Minneapolis as "Minnianapolis," a mistake he has made in the past.

Writer Chris Crews said, "Minnianapolis