It means
straight facts. Even if someone
says you’re wrong about something you said, if you say “
on Gussy” you’re automatically right about it. There’s no way around it, on Gussy is FACTS.
Friend: I just got some
nugs from McDonald’s and they were so good
Friend # 2: that’s
on Gussy
Friend # 3: McDonald’s nugs suck
Friend # 2: actually you’re wrong because I said
on gussy so therefore I’m right