Petty Thug Share definition Flag A minor thug. Like some insignificant thug that isn't too harsh of a gangster/criminal! Yo that n**** just be a straight up petty thug, he aint a GANGSTAH! Petty Thug by 420blazeitfgtt June 13, 2016 0 0 Get merch Get the Petty Thug mug. Buy Now — $32.95 See more merch