What is adrenaline boner?

A boner that pops during a rush of adrenaline, in a completely non-sexual way.

When we were going up the lift on the roller coaster, my balls started tingling. At the bottom of the first drop, I had a full-on adrenaline boner.

adrenaline boner - video

The term for when something is too exciting and gives you a feeling of immense pleasure.

Stan: Hey man, what did you think of skydiving?
Ryan: It was insane, it gave me the biggest adrenaline boner of my life!

a boner from doing exiting things like getting a new console, skydiving, zip lining over revenes, sudden drops in an airplane, or getting to a fight

person 1: dude, i had a giant adrenaline boner from skydiving yesterday, it was rock hard
person 2: nice!