Spun delusions that your body parts are bent the wrong way or twisted, usually caused by S.E.P.S. or large amounts of meth intake and/or lack of sleep.
Invented by two bored college students whilst they where suppost to be working and soon it spread around the college.
To load an inappropriate picture of old Greg (From the Mighty Boosh) onto someones computer screen whilst they have left the computer unattened (or are distracted)how ever this may result in them greging you back.
Example 1 # "You've just been Gregged MOTHER LICKER!!!"
Example 2 # (person being gregged) "oh wtf is THISSSS!!"
(the Greger) "you been Gregged mate"
Go on this link if you want a perfect example of being Gregged:
http://api.ning.com/files/IjBsBhchiAWZKP4e-l5Z3kOlFSssqVR9wmtE5JWvgCxZnKscivnYFQn5kBruO-kJZJfqnlP0lOUz-WckfGjMPamoDsz3WNDv/Old_Gregg.jpg