The crossword solution for the term 'Go Off The Wall' is ECHO, which is a four letter word. ECHO is a term used to describe a repetition of sound, usually caused by the reflection of sound waves off a surface. It is also used to describe a person or thing that imitates or repeats another. In this context, 'Go Off The Wall' could be interpreted as an expression of doing something unexpected or out of the ordinary, which could be seen as an imitation of someone else's behavior.