An especially elaborate, showy action, typically to win someone's love. I don't need grand gestures from my boyfriend. He shows me he loves me every day in a million tiny ways. A: "Do you think I could win her back with some sort of grand gesture?" B: "What, like surprising her with a choreographed dance routine or something?"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.