Someone who is so tard, and ghey that you cant stand it any more and call them a gheytard. It is no way offensive to Homosexuals in no way, and its in no way related to Mentally Challenged People.
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.