deafcom 

1. "def-kom" n. - A state of silence, punctuated by not hearing communication, i.e. deaf to communication or deafcom. Usually achieved through headphones and/or music.

Officemate: "Hey you want to go out to lunch?"
Jack: "What? Sorry, I couldn't hear you, cause I was in deafcom."

Officemate: "I need to get some work done, so I'm going into deafcom mode."

deafcom by KingSexy November 2, 2005

defcom 

Corporate office: A term used by people who feel their work is more important than others as a way to massage their ego.

Louis: "Amy, this fax is urgent, priority, THIS IS DEFCOM."

Amy: "Yeah, yeah Louis. (slams door)"

defcom by Amy Lauren February 15, 2007

DeafCow 2.0 

Someone named Sydney.

Sydney aka DeafCow 2.0

DeafCow 2.0 by Helpmestophatabuse January 8, 2016