( informal ) to order, especially in a sudden or an unfair way, that sth must happen or sb must do sth :
The company slapped a ban on using email on the staff.
( informal ) to order, especially in a sudden or an unfair way, that sth must happen or sb must do sth :
The company slapped a ban on using email on the staff.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005