A fork of Rural Dictionary
Ultra thin penis. Very long with sharp edge. But so then that if you bend it enough it will break.
Girl: how's your penis? Joe: I have a pencil penis! Girl: screw me now
An abnormally small and thin penis.
“Have you heard the rumor going around that Colin has a total pencil penis!!!”
when your penis is skinny, like a pencil
*sends dick pick* "you have a pencil penis, we are over"