Bring a large pot of salted water to a boil. Add in the noodles and cook according to the package directions. Drain and rinse the noodles under cold water. Drain well.
1 pound dry macaroni noodles
In a small bowl, stir the mayonnaise, apple cider vinegar, dill, sugar, salt, and pepper together.
⅔ cup mayonnaise, 2 tablespoons apple cider vinegar, 2 tablespoons minced fresh dill, 1 teaspoon granulated sugar, Kosher salt and freshly ground black pepper
In a large bowl, toss the noodles, celery, bell pepper, green onions, and shrimp until evenly mixed.
1 cup diced celery, 1 red bell pepper, 2 green onions, 1 pound medium frozen cooked shrimp
Pour the dressing over the top and toss well to combine. Chill until ready to serve. Top with more green onions and dill if desired.