noun ·Rare ·Advanced level

Definitions

Noun

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

Etymology

From head + rush.

Related phrases

orthostatic hypotension

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.