off-the-wall

Etymology
Perhaps from baseball or other games played with a ball, alluding to unpredictable bounces.

Adjective

 * 1)  Wildly unconventional; bizarre; absurd.
 * 2)  Of a person's behaviour: greatly inappropriate.
 * 1)  Of a person's behaviour: greatly inappropriate.
 * 1)  Of a person's behaviour: greatly inappropriate.
 * 1)  Of a person's behaviour: greatly inappropriate.

Translations

 * Chinese:
 * Mandarin: 的， 的
 * Dutch:
 * French:
 * German:, , ,
 * Italian: fuori dalle righe
 * Polish:
 * Russian: ,
 * Swedish:


 * German:
 * Russian: ни в какие ворота