Oi Mysize Share definition Flag Adam Deacon (A Peng Boy From Adulthood And Kidulthood) Uses This Word Meaning Gash ,Girl Wifey And That Shit. Cam;Oi mysize Kad; (ignores Cam) Cam;Oi girl im talkin to man Cam; Oi im chattin to yuu Oi Mysize by KADiiSHA BRuuVV January 10, 2009 0 0 Get merch Get the Oi Mysize mug. Buy Now — $32.95 See more merch