headrush

== English == === Alternative forms === head rush === Etymology === From head +‎ rush. === Noun === headrush (plural headrushes) A sudden feeling of dizziness and/or euphoria, such as: orthostatic hypotension, due to low blood pressure, for example when standing up suddenly. nicotine rush, for example in people who seldom smoke, or when smoking on an empty stomach. a rush induced by mind-altering drugs. a rush due to emotional agitation or excitement, for example when seeing someone one is in love with. (figurative) Something exciting or thrilling. === References === OED 2006