go off the deep end, jump off the deep end
see: go off the deep end
[awf-th uh-kuhf, of-] /ˈɔf ðəˈkʌf, ˈɒf-/ adjective 1. with little or no preparation; extemporaneous; impromptu: a speaker with a good off-the-cuff delivery.
[awf-th uh-feys, of-] /ˈɔf ðəˈfeɪs, ˈɒf-/ adjective 1. (of a woman’s hat) made without a brim. 2. (of a woman’s hairdo) not covering, framing, or shading the face.
adjective See off the grid
- Off the habit
adjective phrase Cured of drug addiction; clean (1960s+ Narcotics)