Poorinacan Share definition Flag Poor-in-a-Can; A poor ass Rican, aka Puerto Rican...who has no money but has a shit ass job. Joey:"Hey you Dumbinacan!"A-rod:"Who you calling Dumbinacan, Poorinacan!"Joey:"Oh you got smart..." Poorinacan by MrsRiv1126 March 23, 2011 0 0 Get merch Get the Poorinacan mug. Buy Now — $32.95 See more merch