A large chunk of ice that is sent afloat by loose support of an ice shelf or glacier. Some say you can travel on a man-made one, but it would be impractical.

In history, a collision with an iceberg caused the mighty ship Titanic to sink to the bottom of the ocean. It ripped the "impenetrable" steel hull of the ship right open, and the ship sank within 3 hours.
Captain! Iceberg off the starboard bow!

Bah! It's nothing! Nothing can sink the Titanic!
by Windows Error January 5, 2018
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A chuck of ice found in nature, or in some horrific cases, a huge mound of poo. However, it's also made it into the current tweens vocabulary as a mystical adjective to perpetuate their ultimate wisdom on social media about something they saw in current pop culture, their RSS feed, or that they read waiting in line while mom checks out at the grocery store. Otherwise known as a list.
The Jake Paul iceberg... EXPLAINED! The slenderman iceberg, explained! MUST SEE: The melting iceberg, iceberg.
by Jess G282 October 4, 2021
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When a dump is so large that it sticks above the top of the toilet water
Woah dude, that shit is iceberging!”
by GravityFeet January 14, 2020
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Iceberg is someone who is normal (above water), but overthinks and has a lot of emotions just beneath the surface.
"Damn, that girl is an iceberg ready to roll over."
by Purple_Flirt February 3, 2016
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A floating giant ice living in the ocean, shaped randomly, the famous iceberg was the Titanic Iceberg from Titanic 1997 film, sometimes they can be broken apart, the example of an iceberg breaking is the gif below.
Iceberg right ahead!

-- From the Titanic 1997 film
by Naturalword May 26, 2022
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Yo that history lesson about the titanic and how the iceberg hit it was liiiit
by My pseudonym not yours March 22, 2018
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The act of taking a massive shit and having it break the top of the water line in the toilet.
May I be excused, I really have to shit it's going to be an iceberg.
by TheOldCollegeTry January 12, 2016
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