VDT is an abbreviation for Video Display Terminal.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.

Valuable drinking time - Valuable time allowed for drinking before heading into town, a party or other so called social gathering. One must pre-drink before going out on a social event due to the copious amounts of alcohol that is determined to be drank whilst out and the expensive prices that go with it...

Visual Dick Tickle - the sexual stimulation that results from viewing someone you are very attracted to.