In the past the idea behind the clue-by-four was that you were beating some sense into the hittee. Unfortunately it was later discovered that being hit on the head with a large wooden plank with "CLUE" written on it actually caused a loss of brain cells in the hittee. When you consider that the original intention of the hitter was to provide the hittee with some in the first place, this then put the hittee in a deficit of brain cells. Life, the universe, and everything being what it is, likes to be in a state of balance. So in order to solve the problem of the brain-cell deficit, the hittee would proceed to ask ever increasingly stupid questions causing the original hitter to smack his or her head against a wall, therefore restoring the balance.
For the purpose of beating sense into people, the clue-by-four was replaced by a large foam clue bat which has much the same result as the clue-by-four except does not kill what few brain cells the hittee may or may not already possess. Though the tool of choice now is the foam clue bat, the clue-by-four is still in regular use. It was renamed to the "Luser Attitude Readjustment Tool" which was then shortened to LART.
The key difference between the two tools, though they have the same origins, i...
An imaginary ideological (or actual) 'stick' with which we beat someone with whom we disagree.
2. "Any assclown tinfoil hat-wearing traitor that doesn't believe in God will get a big clue-by-four when they get bombed to Hell"