(Noun/Insult) Moldy milk has been left for 20+ minutes. If you do this you're an idiot. Or someone who has a crusty personality.
Mom: Didn't I tell you to finish your milk? Now look, Some creast!
Me: You are creast.
by Exxie March 13, 2022
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Crusty flakes that have been left for 20+ minutes. If you do this you either have a bad memory or you're an idiot.
Mom: Didn't I tell you to put the flakes back? Now look at this, some creast!
Me: You are creast.
by Exxie March 13, 2022
Get the Creast mug.