Jersey "Ten"

When GPS says it'll take 20-30min to get somewhere but a native Jersey driver will always see that as a challenge and make it there in 10min, or a Jersey "10"

Synonymous with a Jersey "Five" for what GPS claims will take 15-20min, etc.

Jack: Why didn't you leave yet, I'm 30min away from you?
Joe: F*ck the GPS. I'll be there in a Jersey "Ten".