ABM:
ACS: Alliance combat system allows for friends and alliance members to temporarily combine their fleets to  defend a target that either might not have been able to defend alone.
Bashing: When attack any given planet or moon owned by a player for 5 times in a single 24 hours period.(Check rules at Zorg site for a detailed explanation.)
Fleet save: When you send your ship on a mission when you are offline so nobody can destroy it.
IPM: Interplanetary Missle.
MILK: Sending resources to a higher ranking player.(Not permitted in Zorg unless you do it in the trade parameters)
Pull: Once within a 24 hour period a higher ranking player may send the equivalent of 1 hour of production to a lower ranking play.

This page is still under construction.
If you want to share anyones I missed with us pm on forum.