Schlong

A cock with substantial thigh-slapping length and girth.

John ruined his sister's wedding when he drunkenly whipped out his schlong in front of everyone at the reception.

by Aw yeah February 22, 2005

shlong

Not just a general term for the male genitalia, but one that describes a penis with substantial length and girth.

Holy shit, check out the shlong on that porn star!! He's really packin' some meat!

by Aw yeah October 14, 2003