(v.) To let someone keep doing something that's been banned or discontinued, because they were granted this right before the ban was imposed. To make an exception for a veteran and let him keep doing things the old way. Used in the past participle.
You can't get a license to drive a 200cc motorcycle here nowadays, but you'll still see old Smokey riding his around. He's grandfathered.
by WanderingDave August 28, 2006
To give someone or something a special, status or privilege for something done before the new arrangements are made
I will not grandfather one religious leader for his deeds as a child.
by The Return of Light Joker December 29, 2011
An extremely powerful evil adult that once ruled the world with an iron fist while forcing children to work in Tapioca Factories.
Father: The one evil greater than I is, Grandfather!
by Christerphopher May 18, 2015
The person who turns you into a man and makes sure you aren't in bad health.
My grandfather is the older version of a badass role model who won't take shit from anybody.
by The Jester of Madness! November 04, 2015
When someone soaks their hands in water, making them wrinkly, and gives you a handjob.
Jesse gave me a grandfather last night, it reminded me of my grandpa.
by Chip Douglas II September 27, 2010