adrenaline rush

plural adrenaline rushes

1. A surge of strength and energy brought on by a dangerous situation, by, or as if by, adrenaline.
2. figurativelyidiomaticAn event or activity which causes such a state.

   Blackpool continue to thrive on the adrenaline rush of the end-of-season shoot-out and are heading for a second Wembley date in two years after negotiating a nervy path past Birmingham.

   2012 May 9, John Percy, “Birmingham City 2 Blackpool 2 (2-3 on agg): match report”, in the Telegraph