headrush

noun6

1. •
   A sudden feeling of dizziness and/or euphoria.
2. •
   (informal) Orthostatic hypotension, due to low blood pressure, for example when standing up suddenly.
3. •
   (informal) A nicotine rush, for example in people who seldom smoke, or when smoking on an empty stomach.
4. •
   (informal) A rush induced by mind-altering drugs.
5. •
   (informal) A rush due to emotional agitation or excitement, for example when seeing someone one is in love with.
6. •
   (informal, figurative) Something exciting or thrilling.