To sit down. Often used as an imperative. Primarily heard in UK, Australia. We're all watching the movie. Take a pew, mate.See also: take
ˌtake a ˈpew
(British English, spoken, humorous) used to tell somebody to sit down: Good to see you! Take a pew and I’ll get us a drink.A pew is a long wooden seat in a church.See also: take