When something is so great, beautiful, or awesome that it is everything to you. Often used as a hyperbole to express how much you like something.
Have you tried McDonald’s frappes? They’re everything.

Girl! Your hair is everything. It’s so soft and shiny, you should be a hair model.
by piperdown August 26, 2018
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I think you have some everything between your teeth.
by MsFriday April 29, 2007
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Everything describes my wonderful fiancee. She is the greatest thing in the world; I love you Angel!
by JacobV January 6, 2005
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