Top Definition
An event occurring on Sunday evenings when the alpha-male suddenly realizes that his nightly escapades suddenly seem for nothing as he is completely alone, finding himself laughed in the face by his suddenly erect boner and no one there to disarm it. Hence loner with a boner.
Oh, Jeffrey... he may be a stud on occasion, but come the day after he is only a loner with a boner.
by Kimotep October 12, 2009

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a horny guy who has nobody to f*ck.
usually a loner with a boner will be a 40-year-old virgin.
*boy texts girl*
Jonathan: hey jess bby i'm soooooo horny right now so come over and f*ck me hard bitch ;) ;) ;) :*

Jess: ill be at your door in 5 minutes, sexy, horny and ready to fuck ;) ;) ;)
Jonathan: woohoo! im gettin laid! maybe im not such a loner with a boner after all :D
by ilovejess:D August 02, 2011

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.

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