When a black man puts a McDonalds french fry into his dickhole then stick his penis into a woman's asshole and ejaculates the fry deep inside her asshole like a rocketship taking off
Guy 1: Last night i gave this thot a Rocket McNigger
Guy 2: What the fuck is that
Guy 1: Google it
mcnigger is a word for black men that live off of mcdonalds. theyre usually selling weedoutside your corner store to pay for their mcnuggets. most likely have 3+ baby mamas.