Nicklength
A Nicklength is a scientific measuring unit, much like a Plancklength. It measures about six inches on a good day. The measurement is derived from the length of an average penis.
"Dude, how tall do you think that guy is? He's huge!"
"He is. He's gotta be at least 14 Nicklengths tall"
"He is. He's gotta be at least 14 Nicklengths tall"