retread

1. a used tire with a new tread

2. a person who was in the military and is comes back or is recalled in order to perform additional service

3. someone who used to be in a particular, job, institution, etc. but has no will, desire, or capability to continue or return

They had yet another retread in tow.

by The Return of Light Joker December 24, 2010

MC

(not to be confused with the prefix Mc-)

1. a the host of an event or performance, musical or otherwise, a master of ceremonies

2. to be the host of an event or performance

The MC looked like he had not had a rest in days.

by The Return of Light Joker June 17, 2008