okay dude, its zee time.

ask your international advisor for OPT extension form, something like this:

http://www.usc.edu/student-affairs/OIS/OIS%20OPT%20request%20for%20extension%20I-20.pdf

fill it out and submit.for more info check this link:

http://www.uscis.gov/files/article/supplemental_opt_052308.pdf