Definitions by (>O_O)>

clue-by-four 

A device that is commonly used to give someone a clue. Named as such for its appearance, which is oddly similar to a two-by-four.

That little idiot got my machine infected with a load of spyware, so I whacked him with a clue-by-four.

clue-by-four by (>O_O)> August 4, 2005