An exceedingly long foreskin that shlops and wrinkles past your knees.
When ge goes to sleep, lets staple his foreskun to his knees.
by NICK January 12, 2003
1 more definition
A really long foreskin that hangs past the end of the penis and looks kinda groos.
That dudes foreskun is a mile long.
by Kurt91 June 08, 2004