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When you aren't actually going out with someone but you do all the same things that a couple does. e.g. making out and going to movies with each other
Person 1: "Have you seen Sam and Bella making out?"
Person 2: "Yeah I know its weird because they're not even in a relationship"
Person 1: "They're in a Bryll relationship"
by chicklick August 15, 2014
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