Driving someone else's vehicle without permission, without intending to take it permanently.

the unauthorized and esp. reckless taking and driving of another's vehicle for a period of time joy·ride n

Joyriding is a criminal theft offense involving taking a car without an owner's permission and using it with the intent of returning it. It differs from auto theft, where one takes property inten [..]

Hacking into an ISP or phone service in order to get useage from that service without paying for it. Key Pair

Theft of a vehicle for the purposes of driving it around for a short period of time, and with the intent to then abandon the vehicle or return it to its rightful owner.

Joyriding is the crime of operating another person’s vehicle, including a car, bicycle, boat, or motorcycle, without permission from the owner.  Joyriding differs slightly from the crime of auto theft because the perpetrator of joyriding does not generally intend on taking the vehicle permanently.  Joyriding is a criminal offense that is punishable [..]