Nuts and Off-the-wall

Nuts adjective - Having or showing a very abnormal or sick state of mind.

Off-the-wall and nuts are semantically related. In some cases you can use "Off-the-wall" instead an adjective "Nuts".

Off-the-wall adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Nuts and off-the-wall are semantically related. Sometimes you can use "Nuts" instead an adjective phrase "Off-the-wall".