Blew one's socks off - Idioms by The Free Dictionary
blow (one's) socks off (redirected from blew one's socks off)
blow (one's) socks off
To thoroughly impress, overwhelm, or excite one. The show of support from everyone just blew my socks off. That movie really blew my socks off—I didn't expect it to be so good!
blow/knock somebody’s ˈsocks off (informal) surprise or impress somebody very much: With that dress and your new haircut you’ll knock their socks off!