sink the hook
1. In fishing, to cause a hook to become caught on a fish's flesh. I thought I sunk the hook, but when I reeled it in, there was an old boot on the end of my line.
2. By extension, to capture the complete attention or interest (of someone). He asked me eagerly for more details about my proposal, and I knew that I had sunk the hook. The TV show totally sunk the hook in me—I spent the whole weekend binge-watching it!
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