off the wall

Meaning 1
When a player in Racquetball, Squash, or Handball bounces the ball off the wall in an unpredictable manner.
Sentence 1
Jenny hit the ball off the wall in such a way that Rodger was unable to hit it back.
Meaning 2
When someone approaches a situation or problem in a unique manner.
Sentence 2
I know you are trying to help, but these solutions are not going to work; we need something off the wall to solve this.