When you access a system that is not yours by coding and decoding

A type of golfer that takes many a swing to make contact with a golf ball let alone hit it...

Hacking is not good if you dont know. You might be trying to get in security.

Hacking is typing some weird characters into inputs lol

Hack in good way or bad way.

In Baltimore this is a person you can catch a ride from. Usually old dudes stand in front of shopping centers saying "need a ride". If where ever you're heading is on the same side of town you came from, they may only charge $6

To change someone's facebook status while he/she left his/her account logged on.

Definition 1: the act of hacking a computer
Definition 2: a publicity stunt used to cause controversy thus generating free advertising

To notice your friend has left their Facebook account logged on on your computer and to promptly post ridiculous shit from said account