Noun
adrenaline junkie (plural adrenaline junkies)
(colloquial) One who is seemingly addicted to the sensation of exhilaration associated with risky behaviors or exciting situations, and who actively seeks such opportunities.
Many football, basketball, and hockey players, boxers, wrestlers, cage fighters, hunters, bikers, NASCAR drivers, matadors, and rodeo cowboys are adrenaline junkies.
I get called an adrenaline junkie every other minute, and I'm just fine with that. Steve Irwin
Oh I've done bungee jumping. Skydiving, I have motorcycles that I ride. I'm a little bit of an adrenaline junkie in that way. Zachary Levi
I'm not an adrenaline junkie. It's never been about thrills for me. I'm just someone who loves a challenge. Felix Baumgartner