1 definition by 352 Boys

When a man's dick is so small and feeble that it perches on his ball-sack acting as a shelf. Consequently, his piss runs down his balls before it reaches the toilet.
I dated this one girl for three months until she pulled down my pants and saw my shelf dick.

"Excuse me nurse..I do not know how to apply this catheter there are no instructions for if you have a shelf dick."

Bob: "Hey Ricky why do you sit down when you piss and it sounds like a leaky pipe?"

Ricky: "I was born with a shelf dick. If I stand up I will just piss all over myself."
by 352 Boys April 5, 2011
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