One who stinks.
Something of poor quality.
Any of several species of large Antarctic petrels which feed on blubber and carrion and have an offensive odour, such as the giant fulmar.
Something difficult (e.g. a given puzzle) or unpleasant (e.g. negative review, nasty letter).
A chemist.
A hot day.
A contemptible person or thing.
vomit, the product of an emesis.