Brown beef in a medium skillet over medium high heat; drain. Add taco seasoning with water (or broth), let simmer 10 minutes. Keep warm over low heat or transfer to small crock pot.
Set out desired toppings in separate small serving bowls with serving utensils. Cut tops off chip bags. Instruct guests to grab an open bag of chips and fill with taco meat and desired toppings, then eat out of the bag with a fork.
This recipe includes instructions and ingredients for ground beef taco meat, but feel free to substitute with your favorite taco meat (chicken, barbacoa, pork, etc.).