Top Definition
1. A man's penis that bounces back and forth during an erection and makes silly squeaking noises.

2. A penis with jokes written on it.
1. My silly dick wakes me up every morning.

2. I took a pen to the bathroom to add the punch-line to my silly dick.
by Fart Mcbitch August 20, 2009
It's just a penis with a beard and a top hat.
Abraham Lincoln was such a silly dick.
by xxThe Warhammer February 05, 2010
silly dick reffers to a person who is always horny or a sexaholic.
"Gina, your boyfriend is a silly dick. He always looks at my porn. "
by Pistachio June 18, 2004

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