Most probably a mis-spelling of mindfuck. Either an image or theory that fucks with your mind so much, you feel the need to say "wow, that was mindfuck" and/or shit bricks

A method of guessing on a multiple choice test that involves looking at the position of the second hand. If the hand is between 12 and 3 the guess is A. If the hand is between 3 and 6 the guess is B. Between 6 and 9 guess C. Between 9 and 12 guess D.