EV is the average value of a decision in a poker hand or situation over time, can be + or -; result of a given play if it were made thousands of times.
+EV is associate with a 'good' or positive decision
-EV is associate with a 'bad' or negative decision
Usage: 'This donkey called me with a 2 outer, so I thanked him for trying to give me his money; so much for +EV'
