a sudden burst of energy from an increase in the hormone and neurotransmitter adrenaline, esp. increased heart rate and blood pressure, perspiration, blood sugar, and metabolism
Bungee jumping gives most people an adrenaline rush.
"There's an adrenaline rush in being in war zones, and there's no doubt Lara thrived on it," says CBS News Chairman Jeff Fager.
And ultimately, he makes you feel the catharsis in violence, the adrenaline rush, and the shame in that.
After the adrenaline rush of the emergency came the seemingly never-ending effort to clear away the debris.
The adrenaline rush of anticipation, the extra weight of fear as those men walked on into the unknown.
Mike McCurry, the former Clinton White House spokesman, says the “adrenaline rush” of campaigning is clearly changing Obama.
“I started with drugs, but it turned out that taking stuff was more of an adrenaline rush than drugs,” says another.
She admits she sometimes misses the adrenaline rush of the lifestyle, danger and all.