Fear Boner 

When you are so intensely afraid of another individual that you reach a point of sexual arousal. The fear boner is a sign of submission to a more powerful individual.

I hope Professor Tony Yueng didn't see my fear boner in class today.

Fear Boner by Tod Jenkins September 15, 2010

Fear Boner 

Sexual arousal brought on by the excitement and/or anticipation of something that would otherwise be terrifying to a normal person.

Watching the trailer for ‘IT 2’ gave me a raging Fear Boner.

Fear Boner by Dean Wilton May 10, 2019

Fear Boner 

An unexpected boner provoked by a frightening experience or unusually strong or dangerous potential mate.

Sally: I'll break your fucking nose, Tom.
Tom: Fear boner, activate!

Fear Boner by jpb103 May 19, 2016

fear boner 

noun
\'fir 'bo-nər\

An erection caused by a sexy, usually menopausal, MILF/GILF that gives the recipient varied feelings of confusion, intoxication, intrigue, elation, disgust, excitement, sadness, delight, and fear.
//getting a fear boner from your Step-Dad's drunk aunt when her tiddie flops out at the family BBQ

When an 18 - 25-year-old male inexplicably becomes sexually aroused because a funny, hot 45-year-old or older MILG/GILF looks at him; generally leaving him with an uncontrollable urge to masturbate while ugly-crying.
//rushing off to beat-out a fear boner your buddy's mom gave you when she smiled at you

Why is Ronnie spending so much time in the bathroom, Dude?
My Step-Mom gives him raging fear boners.

I get savage fear boners when Stiflers Mom smiles like that!

fear boner by Immortallight1974 October 29, 2023

Fearboner 

When you get scared and BAM! Boner.

a black guy trys to jump you but really he wants to ask for directions to kfc but you get so scared(because hes black) that you get fearboner.

Fearboner by sack dude September 29, 2012