1 (8 oz.) pkg. macaroni
1 (12 oz.) can lunch meat (Spam)
1 1/2 c. diced Cheddar cheese
1/2 c. diced bell pepper
1/3 c. chopped onion
1/2 c. mayonnaise
2 tbsp. milk
2 tbsp. vinegar
1/2 tsp. salt

Cook macaroni, drain well. Combine macaroni, meat, cheese, bell pepper, onions and stir well. Combine mayonnaise, milk, vinegar and salt. Pour over macaroni.