The term 'You Can't Touch This' can be summarized by two crossword solutions: Antimatter (10 letters) and Sacredcow (9 letters). Antimatter is a type of matter composed of particles that have the same mass as particles of ordinary matter but have opposite charges. It is believed to have been created in the Big Bang and is the opposite of regular matter. Sacredcow is an idiom used to describe something that is considered to be beyond criticism or questioning. It is often used to refer to a person, idea, or institution that is held in high regard and is not subject to criticism.