AO -Animation Override- a scripted object which plays specific animations in response to your characters actions. These animations take over (or override) the default animations (walking, etc.) the avatar normally uses.
caging - Caging is a form of griefing where the griefer attemps to "trap" a resident inside of a cage and restricting their ability to move.
rez - (commonly attributed to the movie 'Tron') 1) To bring an object into 3d-space within Second Life. This is usually done by dragging the object from inventory into the world. 2) To create a new primitive in Second Life through the building tools.
derez - To remove (derez) an object from a sim within Second Life. This generally is done through deleting the object or taking the object into inventory.
Hippo - The official animal of Second Life.
HUD - A Heads Up Display ("HUD") will attach to the viewable area of the Second Life client and remain visible independent of the avatar's movements. HUDs are useful for keeping information present on the screen, or accessing frequently used commands.
LSL - Literally "Linden Scripting Language". This is the code that is used to write scripts, or programs, in-world to make objects perform tasks or respond in a certain way.
Mouselook - Viewing SL in first-person mode, i.e. you can't see yourself
orbit - An event that occurs when an avatar is pushed with extreme force into Second Life's "space" (area high above the clouds), sometimes unexpectedly and involuntarily. Can sometimes cause the avatar/user to end up going "off-world" (lost to the servers because of the extreme speed the force caused) and require the user to relog. Most often caused by a pushgun or some other sort of weapon that is scripted to push physical objects.
Prim Torture - The art of manipulating prims into complex shapes, using cuts, twists and shears, and potentially saving prims in the process.
particles - Two-dimensional sprites (graphic images that always face the viewer). Second Life's particle system allows a wide variety of particles, enabling residents to create burning fires, glistening waterfalls, vapor trails on jet fighters, tracers on bullets, the occasional macabre spurt of blood, floating hearts of affection, billowing smoke, rainbows, and much more.
permissions - Special settings on any object or Inventory item within Second Life. Permissions determine such things as whether the item is no-copy, no-modify, or no-transfer; what permissions the next owner will have, whether the object is to be shared with the group, whether others can move or copy it, and so on.
Sandbox - Sandboxes are places where residents can build or try out objects. Each sandbox has different rules of behavior and maturity ratings. Some sandboxes are public, while other are private.
**furries (furry)** - they can include . . .
tinies - tiny, tiny furry avatars like bunnies
nekos - anthro female/male "cat"
foxes
canines, etc, etc . . .
** mech ** - a "mechanical" avatar resembling a robot sometimes resembling some other creature, animal, etc., etc.