2 definitions by tek6

Top Definition
(noun) A type of erection where the penis stands erect, but remains soft. A portmanteau of boner and nerf.
Jane: So I finally slept with Bill last night.
Jill: Oh! How was he?
Jane: He was ok i guess. I thought he was hard for me but it turned out to be a bonerf.
Jill: Damn girl!
by tek6 December 20, 2010

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(noun) When you are so excited about playing with nerf guns, you get a hard-on.
James: Hey dude, get over here right now, i just got me two vulcan 25's and a double shot nerf gun. Let's do some drive-by's
Nic: Dude! You just gave a massive bonerf! I'll be there in 5
by tek6 December 20, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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.

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