Well damn, she's a five minus six. Way to be pessimistic.
When a high five is given erroneously, you perform a minus-five to correct it by putting hands together and removing them while making the high five clap noise with your mouth. Imagine a high five in reverse.
Matt: I texted Ryan and told him "chop chop it's beer 30."
Trucks comes down the road.
Robert: Here comes Ryan now! You told him!
*high five*
Truck passes
Matt: That's not Ryan, minus-five.