Top Definition
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.
by Tod Jenkins September 15, 2010

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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!
by jpb103 May 19, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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.
by sack dude April 25, 2012

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt