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cassidie /kas-i-DEE/ 1. a. To blatantly ignore a serious topic in a group text conversation by posting something unrelated and often jarringly insensitive. 1. b. The act of derailing a serious group chat with a flippant or inappropriate comment, image, or meme. Etymology: The term is a neologism, with its origins yet to be definitively traced. Usage: The word is primarily used in informal, digital communication to describe a specific social faux pas committed in a group messaging context.
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