Noun:

1. someone who expresses contempt or indignation by uttering a snorting sound

2. something outstandingly difficult;

   "the problem was a real snorter"
   

3. something that is extraordinary or remarkable or prominent;

   "a snorter of a sermon"
   "the storm wasn't long but it was a snorter"
   

snortv.喷鼻息作声；哼着鼻子；从鼻子吸入(毒品)n.鼻息声；发哼声；(用鼻孔吸入的)少量毒品

1. She sent me a real snorter of a letter.
   她给我寄来一封异乎寻常的信。