Combine oil, soy sauce, lime juice, jalapenos, garlic, brown sugar, pepper, salt, thyme, ginger, allspice, cloves and cinnamon in a small bowl. Whisk until combined.
Place chicken in your slow cooker. Pour the jerk sauce over the chicken and turn to ensure chicken is coated. Set slow cooker to cook on low for 6-7 hours or high for 3-4 hours.
Once cooked, shred the chicken in the slow cooker and toss around in the sauce to coat.
Toss together the mango, avocado and lime juice in a bowl. Set aside.
In a large bowl, combine the rest of the ingredients for the slaw and toss to coat the cabbage. You can combine the avocado and mango mixture with the slaw or keep it separate.
To assemble: place desired amount of jerk chicken on a tortilla. Top with mango, avocado and slaw and enjoy.