in. to dominate; to be the best. (Slang only in certain contexts. Typical in graffiti.) : Pizza rules around here.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Idioms & Phrases
as a rule
In general, usually, as in As a rule Irene does not eat meat. [Mid-1800s]