1.) a dynasty that is devoted to incest. and only, incest.
2.) a dynasty that is fully pure-blooded and has multiple deformities because of this incest.
person1: you guys hear about that seacake dynasty?
person2: yeah! i heard it's devoted to incest!
person3: no way?! i'm joining, my sister is hot!
person4: nope, you gotta be a full-blooded seacake to join, brah.
by seacake lulz May 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.

×