going dark, ending communication, or going private with the conversation
Giff, let's finish our lunch plans off-comm...I had a dream last night that 3 guys from the 80's were chasing me looking for their boombox...I'm afraid they might be listening now
by brandonjp May 05, 2008
1 more definition
Abb. An abbrieviation for Offshore Communications
Relating, for example, to oil rigs and ships:"Mike, we gotta get some data back to HQ. What offcomm facilities do we have available to send the information?"
by Gringol April 12, 2011