Top Definition
Police term for camoflage consisting of an oversize white T-shirt and baggy blue jeans. Worn by urban youth in an attempt to produce a vague and unhelpful suspect lookout.
"Lookout's for two code-one males, yoniformed. That's about half the fucking city, so have another donut, bunky."
by Crawlover November 07, 2005
6 Words related to yoniform

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