A type of reptile substrate made out of 100% calcium carbonate. Known for it's ability to cause severe impaction, calcium sand is hated by most reptile enthusiasts.
I uSeD cAlCiUm SaNd WiTh My LeOpArD gEcKo AnD hE lIvEd HiS fUlL 3 YeAr LiFeSpAn!!!
by THE REAL MAYO MAN November 17, 2020
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1) Scum
2) A white, powdery substance (C36H70CaO4, learned about in GCSE triple chemistry) made by soap (C18H35NaO2) reacting with permanent hard water ions ("Ca2+") to make "lathering" much more difficult. This is not to be confused with scale, which is made by boiling temporary hard water.
1) Politicians? Utter bags of Calcium stearate, they are!
2) In South England, we have mostly hard water. Yes, it lines the bath with calcium stearate sometimes, but the nutrients are great.
by Itz Rob October 26, 2016
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A term started by a group of friends at a lunch table, and was eventually spread to Imgflip by Larkspur, their Imgflip username. It's basically another way of saying choccy milk.
Lunch Lady: What would you like to drink with that?

Eater: Brown Calcium, please!

Lunch Lady: What is that?

Eater: Chocolate milk.
by Larkspur15 February 20, 2021
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A more scientific way of saying breats/tits/boobs
Ty: You're mom is such a milf, her calcium canisters are huge

Tandy: yeah I know but chill
by Goofy-J December 30, 2022
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Man i jerked off yesterday and a lot off thin calcium came out
by HOMERDICKSOAP November 29, 2021
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A calcium mark is a white mark that shows up when you don’t brush your teeth you shitty sperm.
Guess Who Has A Calcium Mark
PIETER SMELLIES Y
by Tyler Maltas April 20, 2023
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