To have a nightmare.
Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
A very bad or frightening dream.
A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis.
To be evidently associated with something unpleasant.
To have or give off a strong, unpleasant smell.
Vapour; steam; smoke; fume.
A hill; a mountain.
A strong unpleasant smell.