slag somebody ↔ off phrasal verb British English informal ( see also ↑ slag )
to criticize someone in an unpleasant way, especially when this is unfair:
He’s always slagging her off behind her back.
slag somebody ↔ off phrasal verb British English informal ( see also ↑ slag )
to criticize someone in an unpleasant way, especially when this is unfair:
He’s always slagging her off behind her back.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012