knock (one's) socks off
To thoroughly impress, overwhelm, or excite one. The show of support from everyone just knocked my socks off. That movie really knocked my socks off—I didn't expect it to be so good!
knock the socks off (someone or something)
1. To thoroughly impress, overwhelm, or excite someone. The show of support from everyone just knocked the socks off me. Apparently that movie really knocked the socks off Tim—he's been raving about it since he came home.
2. To completely outclass, outdo, or outperform someone or something; to soundly defeat or best someone or something. Wow, this coffee knocks the socks off the stuff we get back home. Catherine knocked the socks off the other kids in the spelling bee.
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