Top definition
Achieving an erection while viewing pornography at a sperm donation clinic.
Paper porn is so quaint, it gives me a sperm donor boner.
by brady2600 January 17, 2007
Mug icon

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
T-shirt icon

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