Ms. Busa's definitions

cos

It means change of subject. It is used more in the mediated communication genres such as texting, pming, iming, emailing, smsing, picture messaging, blogging, and ect...

Lisa Smith: Do these pants make my butt look fat?
John Smith: Hey babe, COS, we are going to be late if we don't leave right now!

by Ms. Busa November 17, 2009