thin dick 

an abnormally thin male penis. It has often been compared to a super rope, although some may think a thin dick is fictional, it does exist.

Fuck off you thin dicked faggot.

thin dick by jknausz7 April 21, 2007

dick thin 

referring to the circumference of any cylindrical object; specifically one that would normally have more girth than the average penis(4.5in - 5in circ.)(hence "thin"), but has a resembling circumference of the average penis.

That baby elephant's trunk is dick thin.

dick thin by JosephI May 8, 2014