The crossword solution for the term 'GET READY TO HEM, SAY' is PINUP. The term pinup refers to a poster of an attractive person, typically a celebrity or model, that is intended for wide display. Pinups were popularized in the early 20th century and have since become a part of popular culture. The phrase 'get ready to hem, say' implies that the person in the pinup poster is about to be hemmed, or altered, in some way.