Top Definition
A grandfather joint is a joint made out of roaches. The grandfather joint is stronger than a normal joint due the marijuana resin accumulated on the roach.
Lets roll a grandfather joint out of all those roaches.
by MattySA July 03, 2006
5 Words related to grandfather joint

Free Daily Email

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

Emails are sent from We'll never spam you.