Rating Newest Oldest. Best Answer: Being type A+ means you're a type A blood type (A antigens) and RhD Positive. RhD is generally refers to the Rhesus system Antigen, of which there are many, but only one of which is a major factor.Whether of not you have this antigen determines whether you're blood type, in addition to being A, AB, B, or O, is + (positive) or - (negative.). Source(s): Joshua B · 6 years ago.eport Abuse. It's doesn't really mean anything for day to day life. Your life would be exactly the same regardless of what your blood type is. The information is only important to medical personnel in case you needed to receive blood for surgery or due to an emergency medical situation.