I JUST DRANK SOUR MILK, WILL I DIE?

OMG THERE WAS SOME SOY MILK IN THE FRIDGE AND I DRANK IT AND IT WAS LUMPY AND TASTED BAD BUT I FREAKED OUT AND SWALLOWED IT AND THREW THE MILK AWAY... AH I HAVE AN IMPORTAINT DATE TONIGHT WILL I BE SICK? OR DIE?!