The word asshole spelled backwards. People use this term when they want to call somebody an asshole but either don't want to get into trouble for it, or they don't want the person to know what they are saying.
A highly sophisticated slow motion special effect technique used to show a bullet in flight. The action is slowed down to show the bullet traveling as it passes through the air. The bullet emits tracer rings to show its path and to show it tearing through the air. This technique was pioneered and made popular in the science-fiction film The Matrix. This technique has since been used in many movies and video games including Max Payne, Metal Gear Solid 2, and Charlie's Angels to name a few examples.
A problem of some kind. Refers to the neck of a bottle because it is narrower than the rest of the bottle and less liquid can flow through it at one time. The flow can also be of data when talking about computers or procedure or productivity when used in a business meaning. The term can be used to describe various problems such computer problems and business problems to name a couple.
"That video card is a piece of crap, it is nothing but bottle neck after bottle neck with it." Refers to a computer problem.
"This computer can only handle 512 megs of RAM, that is a huge bottle neck." Refers to a computer problem.
"The old phone transfer system was causing major bottle necks in our productivity, I'm glad the replaced it." Refers to a business problem.
"The fact that this copier can only hold 100 sheets at a time is a major bottle neck." Refers to a business problem.