Acronym used to describe a particular subset of the female population who are usually unpleasant to the hearing ear and to the clear mind. Acronym stands for: "Angry 35 year old". These A350's are women who are mad they are not happily married so they're just a drag...but they think they're hot.
"are any girls going to the superbowl party?'
"naw....just a bunch of A-3-5-O's..."