Definitions by Styx13
ShitMac
When you get a free McDonald's Big Mac via mobile order deals, shit inside of it, and throw it at someone's front door.
Guy 1: I'm not hungry man, what are we gonna do with this Big Mac we got for free?
Guy 2: Let's make a ShitMac dude!
Guy 1: And throw it at Justin Johnson's door? Hell yeah!
Guy 2: Let's make a ShitMac dude!
Guy 1: And throw it at Justin Johnson's door? Hell yeah!