To come back to life after thought dead.
1.OMG he just died!
2. Ohh he will probably pull a Gandalf
by Bailey-0- March 18, 2006
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Whenever a girl and a guy are fooling around and things get very hot but all of the sudden she stops foreplay and does not allow penetration. Obviously the guy stops after her "Thou shall not pass!"
"Man I am really in need of having sex with her"

"Did you not have sex with her yesterday?"

"No, she Pulled-a-Gandalf"
by Atjetechnokatje May 28, 2009
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When a character from a movie, book, or video game comes back into the plot, after appearing to have died, like Gandalf did in the movie series, The Lord of the Rings.

(also known as Pulling a Gandy)
Man, I really thought that a someone would be Pulling a Gandalf in that movie.
by Baron von BBQ Sauce July 11, 2009
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Making sure someone will not succeed or pass.
My teacher pulled a Gandalf today when he gave out a quiz that I surely "shall not pass".

The car in the other lane next to me pulled a Gandalf for about 2 miles. He made sure I wouldn't be able to pass.

Bob: Damn, that girl at the end of the bar is looking fine, I think I'm going to try and make a pass at her.
Charles: No way man, she pulled a Gandalf already on 3 other guys who tried me make a pass at her tonight.

Question: Why didn't the chicken cross the road?
Answer: Gandalf
by rockylibero October 10, 2012
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To listen to someone completely wrong without feeling the need to argue or correct them. From "Unfinshed Tales", when Gandalf replies to Saruman's coding about not weighing in on the fate of the One Ring: "it gives patience to listen to error without anger'
"I hear what you are saying, I'm going to pull a Gandalf. See you tomorrow"
by BigDawgJ September 4, 2021
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