....With only your mouth.
They have become sentient, and they want to kill you.
It depends on the food. They have grown legs, but certain types of food can kill you. Burgers can suffocate you, and Soup pours hot water on you. Fries can poke your eyes out. ect. ect. ect.
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I believe I would eventually lose to 10 000 slices of Margherita Pizza. Unless the all stood in a line and I had a Splaser.