“Certain fraternity guy, informally” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.SIG is the answer to the New York Times crossword clue “Certain fraternity guy, informally”. It was last seen in the puzzle of July 18, 2025, where it runs at 20 Across and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.