1 definition by Cis-Zeb-Bennets4Life

When you engage in sexual activity with 3 or more members of the same family with the surname ' King ' at the same time.
Craig : My 2 brothers are so gay !
Christopher : Perhaps the 3 of you would be interested in The Royal Gangbang
by Cis-Zeb-Bennets4Life September 17, 2009
Get the The Royal Gangbang mug.