The phrase "soggy salad" means a salad that is wet and unappetizing because it has been soaked with too much dressing or if the ingredients have become mushy or waterlogged. Full definition
But I do splurge on triple - rinsed pre-washed salad mixes, since I hate soggy salad and it is so much easier to just dump a bag of salad into a bowl than to rinse salad and then wait for it to dry thoroughly. (babaganosh.org)
Also, since this is a come - when - you - want sort of dinner party, you can't toss your lettuce with dressing for your first guests and ensure that your last guests don't have to eat soggy salad. (bonappetit.com)