snorter

/S N AO1 R T ER0/
noun
  1. 1

    One who snorts.

  2. 2

    Something that is extraordinary or remarkable

    โ€œThe batsman succumbed to a snorter of short balls from the bowler and nicked a thin edge to the keeper.โ€

  3. 3

    Something that is extremely difficult

    โ€œThe maths problem is a real snorter, isn't it?โ€

Source: https://en.wiktionary.org/wiki/snorter