A splint dick occurs when someone can't get an erection on their own and attempts to fool the girl into thinking they're hard by tying two Popsicle sticks to either side of their penis like a splint
Robert ate too much spaghetti and couldnt get a boner, but still fooled Linda with his splint dick
by Stein Man May 04, 2008
1. A complete moron
2. Sexual Incompetence
1. You're such a Splint Dick, I can't believe you fucked up you leg again.
2. "You're such a Splint Dick."

"Why am I a Splint Dick?"

"This is the fourth time you couldn't get it up...pathetic."
by Mediocrity's Muse October 06, 2010

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