jam on the brake(s) | jam the brake(s) on
to operate the brakes on a vehicle suddenly and with force :
The car skidded as he jammed on the brakes.
jam on the brake(s) | jam the brake(s) on
to operate the brakes on a vehicle suddenly and with force :
The car skidded as he jammed on the brakes.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005