A particular kind of algae.
Algal organisms viewed collectively or as a mass; algal growth.
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 of poor quality.
One who stinks.
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.