Crud. Is my frozen milk bad?

pumpkinhead4

So, I have frozen not a lot of milk, maybe 12 oz so far and I defrosted some yesterday to try out and make sure it was OK. It was about a month old and I defrosted by putting it in the fridge. This AM I smelled it and it smells like soap and I even tasted it...tasted so awful, made me gag. Does this mean it's bad? As in I am the type that will have to scald my milk before freezing? Oh, man!