When a person rings up alot of beer on a tab and then when it's time for payment they deny drinking the amount of beer that they ordered and refuse to pay their portion of the tab.
Garland: Can you believe that shit bro? I saw with my own two eyes! Will had at least 4 Beers.
Ricky: Yeah man he hoppe'd out. He does that shit all the time. JFC. (see definition of JFC)