flat dick

Term used when describing a person who is idiotic or is useless, kind of like a flat dick would be.

Did you hear what Greg said the other day? He is such a flat dick!

by Josh December 10, 2004

flat dick

One who prevents those around him from enjoying fun and/or amusing activities.

Jason: Dan, are you done drinking?
Dan: Yes, Jason, I believe I am.
Jason: Flat dick

by Jason December 18, 2004

Flat Dick Syndrome

A rare condition where one's penis is as flat as a piece of plywood. There are approximately 15 individuals who are known to suffer from this condition. It is contagious and is often linked with balltap prone males.

Phil: Hey Tim, why is your dick so flat?
Tim: Its a condition called Flat Dick Syndrome, or FDS. Please don't make fun of me.
Phil: Aww sorry. Can I touch it?
Tim: K.

by Magesh October 19, 2012