From Longman Dictionary of Contemporary Englishpinch-hitˈpinch-hit verb [intransitive + for] American English 1 HELPto do something for someone else because they are suddenly not able to do it2 DSBto hit for someone else in baseball —pinch-hitter noun [countable]→ See Verb table
Examples from the Corpus
pinch-hit• I've asked Carl to pinch-hit for me at the meeting next week. 