Add the avocado, cilantro, jalapeño, garlic, lime juice, Greek yogurt, avocado oil, water, and salt to a blender. Blend until smooth and creamy.
Add the shredded cabbage and carrots to a bowl. Add about ⅓ cup avocado crema and toss until lightly coated. Set aside.
Pat the shrimp dry and place them in a mixing bowl.
Add chili powder, smoked paprika, cumin, oregano, garlic, red pepper flakes, kosher salt, lime juice, and avocado oil.
Toss until the shrimp are evenly coated.
Heat a large skillet over medium-high heat.
Add the shrimp in a single layer and cook for about 1–2 minutes on the first side.
Flip and cook for another 1–2 minutes, or until firm, pearly, opaque, and cooked through.
Remove the shrimp from the skillet immediately.
Warm the tortillas in a dry skillet until soft and flexible.
Divide the cabbage-carrot slaw between the tortillas.
Top each taco with cooked shrimp.
Drizzle generously with cilantro lime avocado crema.
Garnish with fresh cilantro and serve with lime wedges.