Cyber Monday is the Monday after Black Friday, when online retailers will be looking for their biggest sales from those who checked out products over the thanksgiving weekend, and will now be ordering them Monday at work.
The Monday after Thanksgiving Day, when online retailers keep the Black Friday-like bullshit going by constantly bombarding our e-mail inboxes and facebook statuses with annoying-ass ads to buy their products on our employers' time.
These companies apparently don't realize their tactics actually have the reverse effect and that many of us are actually out deer hunting on this day and are carrying loaded .30-06 (thirty-aught-six) rifles.