what does "off the wall" mean?

manic,off - the - wall creativity;off - the - wall humor。
狂热的、异乎寻常的创造性；古怪的幽默
Back off the wall with bricks
用砖作墙的背衬。
to scratch the paint off the wall
从墙上刮下油漆
glanced a stone off the wall。
使一块石头擦过墙壁
The paint peeled off the wall。
油漆从墙壁剥落。
Glanced a stone off the wall。
使一块石头擦过墙壁
Let's wash those marks off the wall。
咱们把那些印记从墙上洗掉。
He stripped the paper off the wall。
他把纸从墙上撕去。
an accusation that is really off the wall。
确实荒谬可笑的指控
The painful process of stripping the paint off the wall
剥除墙壁漆皮的麻烦事