Ted Lasso: In "For the Children", the Richmond players are subject to this for charity. Notably, overconfident Jamie Tartt asks his girlfriend Keeley to bid on him so he doesn't get picked by a horny old lady. Instead, it ends up being a bidding war between her and another young woman, with Keeley winning. When the other woman turns out to be Jamie's former girlfriend whom he also asked to bid to make himself look good, exploiting the Grand Romantic Gesture, Keeley instead bids on Roy to make Jamie jealous and then breaks up with him, causing the trope to backfire.
How's this for an example: