An exclamation, spoken with great gravity to a MTF tranny whose member has begun to bulge from under her frock.

Derivation: Sir Ian McKellen, the wizard in flowing robes: "You shall not pass!"
It was off to the Ladies Room, after Hedwig's friend bent over and whispered in the tranny's ear: 'Gandalf! Go check yourself, girl!'
by valeriegirl June 8, 2009
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Sitting and staring while smoking weed, in order to solve a problem or remember something.
When I cant figure out how to fix something, Im know for Gandalfing out on the problem.
by Prince Randorson November 3, 2015
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Frodo: Hey, Gandalf, how do I get rid of this god damn ring?
Gandalf: My friend, you have to touch yourself at night without wearing the ring.
by God July 22, 2003
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To be denied access to somewhere or something. Derived from Lord Of The Rings The Two Towers where Gandalf proclaims "YOU SHALL NOT PASS!"
"Pete couldn't get in Sophbeck because he didn't have any ID so got gandalfed by the bouncer"
by Pedro the square October 7, 2008
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one of the many Hobbit themed cocktails available at the pub of the same name, in Southampton. Contains vodka, archers, blue WKD and lemonade. Very refreshing. £3 for a pint. I love them far too much.
by Jez March 7, 2005
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Blocking the passage of something through use of wizardry and copious amounts of staff waving. Also, basically just not letting anything through, ever.
Dude, the Republican's are totally Gandalfing Obama's every move. It's like they just don't like him or something.

How did your date go?

It was great, but she totally Gandolfed me at the end. I think I saw her delete me out of her phone after i tried to give her a good night screw.
by portlandproper February 5, 2010
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