transitive verb Date: circa 1765 to describe or characterize with precision, 2. to cause to explode by or as if by touching with fire, to provoke or initiate with sudden intensity
TOUCH OFF
Meaning of TOUCH OFF in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012