A big 60 meter tall walking slab of meat and steam from Attack on Titan who kicked the sandbox wall.
Person 1: Have you watched Attack on Titan
Person 2: Yeah, the one with the where humanity was put in danger by the Colossal Titan?
by TaxedBuster May 19, 2021
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a shit so enormous that most men don't live to tell the tale, although the ones that do usually lose most of their internal organs
I remember the day I took a colossal shit. my liver and lower intestine came out of me and so did 2 quarts of blood. they had to surgically remove my anus to let the shit come out. I am lucky to be alive today
by Slappdat March 3, 2016
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A dick of enormous size to an astonishing degree.The ultimate weapon that can overpower even the hardest women to satisfy.No matter what situation you are in you can always walk in saying 'Hakuna matata' with that weapon of destruction or satisfaction.Use it with care and may its force satisfy her.
Guy: When i was young god gave me a choice between colossal cock or a good memory.But honestly i cannot remember which one i picked.

Girl: Holy rooster how much of force can that colossal cock deliver ???
by zingeraddict November 21, 2010
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A poorly-understood species of squid even more massive and fearsome than the giant squid. Its tentacles are covered with swiveling hooks in addition to suckers, making it one of the ocean's most formidable predators. It is the only cephalopod species of which the male possesses a penis. Believed to have the largest eyes of any animal.
"Did you hear about that colossal squid carcass they found in Antarctica? It was huge!"
by Penguinjockey December 19, 2006
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basically when you had fucked up but to a much great extent.
Person 1: Dude my dog shitted all over the neighbor's yard
Person 2: now that's a colossal fuckup
by KarateMachinery August 16, 2018
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When you shit and you plug the toilet, and shit water is splashed all over the place.
“After chipotle I took a colossal shit
by Hailayeeeee September 15, 2019
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