Knead minced meat, chilli and breadcrumbs well. Peel garlic, press it through a garlic press and add it to the minced meat. Season with salt, pepper and paprika. Form 12 small balls with moistened hands.
Heat the oil in a coated pan. Fry the meatballs over medium heat for about 8 minutes. Remove from the pan and set aside. Wash the lime, rub dry, cut in half and slice.
Peel and halve the onion and cut one half into large cubes. Finely dice the remaining onion and mix with the seasoning sauce. Drain the pepperoni. Skewer meatballs, lime slices, alternating red and green peppers and coarse diced onion onto the tortilla chips with a wooden skewer.
Serve with the dip.