The word "off-the-wall" in English means: Very strange or unusual; unconventional., Something unexpected or absurd..
The phonetic transcription of "off-the-wall" is /ˌɒf.ðəˈwɔːl/ in British English and /ˌɑːf.ðəˈwɑːl/ in American English. Click the 🔊 button to hear both pronunciations.