hehe, I'm still thinking this bug is awesome!
A software bug is the common term used to describe an error, flaw, mistake
, failure, or fault in a computer program or system that produces an incorrect or unexpected result
, or causes it to behave in unintended ways.
A bug is the common ter used to describe something that cause a break ingame and change things, such as gtoing through a wall, etc.
Source: everyone use this word for that, who cares about Wikipedia.