A person, or group of people who lurk on forums and criticize others fabrication skills without any of their own. They are known to pick up on key terms as, "dead tube", and "shear point" all while ridiculing others welds and techniques. Not much is known about these infamous internet fabbers other than they have no social skills, and have been known to call themselves bro.
Also known to use key words as GNAR, sic, or brolific.
"you have never even bent a piece of metal stupid internet fabber!"