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To keep it 100. To be real to yourself and what you stand for. Allegiance to your family, crew, click, where everyone stands for the same thing.Made famous by Prodigy from Mobb Deep. Usually found in East Coast slang. Similar to" word is bond or stay gully"
That dude Keith stay keepin it thoro that is why I kick it with him.
by Thor "100" June 14, 2014