Top Definition
A rare, yet ample sized penis, that will not take "no" for an answer. Or, one ample sized penis that maintains an erection for up to eight hours at a time. One that put the motion in the ocean better than its gigantic counter-parts.
Yea girl, he has one of the best shackelcocks i've ever taken.
by kevin beck March 17, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×