yo-no-know.. Best answer would have to be (I don't know) commonly used by hoodrats and bro's hanging out around a store or in front of there house. Usually wearing Skin, Famous star, Alpine star, SRH... Do drugs, curse a lot, and get over excited easily over something stupid!
Example: Hey bro, where did that fool go now? Oh!! Yo-no-know? man!
by yeeeah kid!! January 29, 2009