A clitterdick is when you have your pants so tight that your clitter looks like a dick.
"You know what, it's Lady Gaga's fault! For wearing pants so tight. Her clitter looks like a dick." Shane Dawson explains. "Gasp! ClitterDick should be a trendy topic on Twitter." Amazed. "Just put it after everything."
Someone, usually male, who is sexually inadequate and possibly has a tiny dick and is something of stranger to women's best friend that is the clitoris and couldn't find a G-spot on a radar.
Lad; "Hey baby, how about a good time?"
Lass; "Why don't you fuck off to whatever little fucking sewer you crawled out of you sad, pathetic, smelly, borderline queer little Clit-tard!"