v. As in 'to fox the system'. One foxes by finding a loophole in a system of a large company in order to gain something without paying or at a reduced cost.
Foxing the system can also be used to avoid an unwanted situation in the real world.
Maz: So, did you get that new ringtone for your phone?
Flo: Yeah, I foxed the system and managed to get it for free!