A lazy, useless worker exhibiting signs of mental
deficiency and will most likely injure
the people who are actually working around him even if he tried to help. They will sometimes try to scrutinize
the people who are actually working by coming up with some bullshit theorem they heard to make themselves seem smarter when in actuality they are proving their worthlessness.
Also may be the acronym for: Tons of Fun for Erroneous Reasons