This effect occurs when a song becomes tarnished by the amount of times you hear it, no matter how good the song may be it ends up annoying you. You realise the effect mostly on songs you initially like.
The Enter Sandman Effect occurs most notably (in my opinion) with:
Enter Sandman - Metallica
The Pretender - Foo Fighters
by Scott Bevan January 20, 2009
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A song that is by a popular group which has gained mass praise for the general consensus that is good, and is what the group is known for.
X: Do you like "Get Lucky"?

Y: That's an Enter Sandman Delima for me.
by crust_words May 20, 2021
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When a band's most successful song (usually not they're best) becomes they're only known song among non fans.
Joe: "Hey what's your favorite Metallica song?"
Alex: "Oh you know Enter Sandman."
Joe: " Really? I think Fade to Black or Master of Puppents is better."
Alex: "I've never heard those ones."
Joe: "The Enter Sandman Effect." *sigh*
by Will Lange February 20, 2015
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Enter Sandman is a song by the American Thrash Metal band "Metallica" released in 1991 . It is the first song form the 5th album called by the community "The Black Album" but the real name is the band's name. The single reached number 16 on the US Billboard Hot 100, and was released 2 weeks as a single before the album came out. The song lasts for 5 minutes and 32 seconds. The community is split on this song, some say its overrated and overplayed. Others say it's a masterpiece and there is no in-between. This is by far the most recognizable song from Metallica.
Guy 1- Exit light! Enter Night!
Guy 2- Is that Enter Sandman?
by ThePearl234 July 20, 2022
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