A man's organ that is so large it resembels a peninsula (land that juts out into water and is surrounded on all sides but one).
Damn girl, dat boy gotsa penisula stickin outta his pants.
by Shaniqua Jones July 09, 2004
A piece of land that sticks out from the shore that resembles the shape of a penis.
Let's walk along to the end of that penisula and look out over the ocean.
by shrubbery123 September 21, 2007