Whisk the mayonnaise, Parmesan, lemon juice, Worcestershire, mustard, and garlic together until combined.
Whisk in the oil slowly until thoroughly incorporated.
Toss the chicken with half of the dressing.
Place the tortilla in a pre-heated skillet over medium heat and toast for about 5 minutes until lightly browned and spotty.
Set the tortillas aside and keep warm (covered with a towel or placed in a warming oven).
Toss the romaine with the remaining dressing.
Lay the tortillas out on a counter.
Divide the chicken equally among the tortillas.
Top the chicken on each tortilla with 1 cup of dressed lettuce mixture and roll into wraps.
Serve.