an old man, usually sporting a large grey beard, that has unselfishly taken on the key role of Head of Narcosis within his Guild or Village. He can often be found in the Ale House cackling with visiting Minstrels or lurking at the crossroads selling his unique wares to weary passer-bys
"I'm off to see Gramdalf for some cheeky liveners. Anyone else need any Saturday supplies?"
The Dirty Gandalf is the art of masturbating on to the Chin of your partner, creating a messy white beard of spooge, they must then shout "You shall not pass!". To add extra credibility to the act, midgets dressed as Hobbits may be used as well as other props like robes, staff etc. Photographs must me taken for posterity.
Darling , I have ordered midgets for tonight, get your robe on, its time for Dirty Gandalf to arrive.
When a lad requires the assistance and guidance of a lass in order to pull some fit piece of ass, the lass in question is providing the role of vaginal gandalf